Data

Problem 1201

A group of data items and their mean are given. $21,35,49,84,126,189 ; \text { Mean }=84$ a. Find the deviation from the mean for each of the data items. b. Find the sum of the deviations in part (a). a. Type the deviation from the mean for each of the data items. \begin{tabular}{|c|c|c|c|c|c|} \hline 21 & 35 & 49 & 84 & 126 & 189 \\ \hline & & & & & \\ \hline \end{tabular}

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Problem 1202

A group of data items and their mean are given. $21,35,49,84,126,189 ; \text { Mean }=84$ a. Find the deviation from the mean for each of the data items. b. Find the sum of the deviations in part (a). a. Type the deviation from the mean for each of the data items. \begin{tabular}{|c|c|c|c|c|c|} \hline 21 & 35 & 49 & 84 & 126 & 189 \\ \hline-63 & -49 & -35 & 0 & 42 & 105 \\ \hline \end{tabular} b. The sum of the deviations in part (a) is $\square$

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Problem 1203

A random sample of students was surveyed and asked to list their grade level and what movie genre they prefer. Results are shown in the table below.
Movie Genre \begin{tabular}{|c|c|c|c|c|} \hline & Superhero & Comedy & Drama & Total \\ \hline 6th grade & 11 & 15 & 10 & 36 \\ \hline 7th Grade & 16 & 19 & 14 & 49 \\ \hline 8th Grade & 14 & 20 & 16 & 50 \\ \hline Total & 41 & 54 & 40 & 135 \\ \hline \end{tabular}
What percent of the students prefer superhero movies? Round your answer to the nearest tenth of a percent. Answer Attempt 1 out of 5 Nov 22 8:51 US

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Problem 1204

(0) Watch Video Show Examples each week (for of surveyed as to how much non-school screen time they had media, watching TV, or playing vivey, screen time was defined as: time spent online, on social
Screen Time \begin{tabular}{|c|c|c|c|} \hline & above & below & Total \\ \hline less than $\mathbf{4}$ hours & 8 & 6 & 14 \\ \hline $\mathbf{4 - 8}$ hours & 18 & 16 & 34 \\ \hline $\mathbf{8 - 1 2}$ hours & 19 & 16 & 35 \\ \hline more than 12 hours & 13 & 20 & 33 \\ \hline Total & 58 & 58 & 116 \\ \hline \end{tabular}
What percent of the students who spend 4-8 hours a week on screens reported a grade average above 80 ? Round your answer to the nearest tenth of a percent.

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Problem 1205

Watch Video Show Examples
A survey stopped men and women at random to ask them where they purchased groceries, at a local grocery store or online.
Grocery Options \begin{tabular}{|c|c|c|c|} \hline & Store & Online & Total \\ \hline Women & 37 & 12 & 49 \\ \hline Men & 40 & 11 & 51 \\ \hline Total & 77 & 23 & 100 \\ \hline \end{tabular}
What percent of the men surveyed shop online? Round your answer to the nearest whole number pércent.

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Problem 1206

Question Watch Video Show Examples
A survey asked a group of adults and youths if they prefer reading books printed on paper or electronic books.
Book Preference \begin{tabular}{|c|c|c|c|} \hline & Print & Electronic & Total \\ \hline Youths & 27 & 40 & 67 \\ \hline Adults & 29 & 27 & 56 \\ \hline Total & 56 & 67 & 123 \\ \hline \end{tabular}
What percent of the adults surveyed prefer reading electronic books? Round your answer to the nearest tenth of a percent. Answer Attempt 1 out of 5

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Problem 1207

Find the range for the group of data items. $22,23,24,25,26$
The range is $\square$

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Problem 1208

A group of data items and their mean are given. $21,35,49,84,126,189 ; \text { Mean }=84$ a. Find the deviation from the mean for each of the data items. b. Find the sum of the deviations in part (a). a. Type the deviation from the mean for each of the data items. \begin{tabular}{|c|c|c|c|c|c|} \hline 21 & 35 & 49 & 84 & 126 & 189 \\ \hline & & & & & \\ \hline \end{tabular} b. The sum of the deviations in part (a) is $\square$

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Problem 1209

This question: 1 point(s) possible Subm
Find the mean for the data items in the given frequency distribution. \begin{tabular}{|l|l|l|l|l|l|l|l|l|} \hline Score, $\mathbf{x}$ & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\ \hline Frequency, $\mathbf{f}$ & 3 & 6 & 2 & 5 & 3 & 1 & 3 & 2 \\ \hline \end{tabular}
The mean is $\square$ (Round to 3 decimal places as needed.)

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Problem 1210

www-awu.aleks.com s Bettin Secret - Goo... Home - Nort... Content ChatGPT Chicago B. Failed to ope. Oniline Bertin. (5) KaCe Homework \& 4: $7(1,2,3,4) 8(2,3,4)$ Question 28 of 40 (1 point) I Question Attempt: 1 of 3 21 22 23 25 26 27 $=28$ 29 30 Jonathan
Baby weights: Following are weights, in pounds, of 10 two-month-old baby girls. It is reasonable to assume that the population is approximately normal. \begin{tabular}{ccccc} \hline 12.32 & 11.87 & 12.34 & 11.48 & 12.66 \\ 8.51 & 14.13 & 12.95 & 9.34 & 8.63 \\ \hline \end{tabular} Send data to Excel (a) Construct a $90 \%$ confidence interval for the mean weight of two-month-old baby girls. (b) According to the National Health Statistics Reports, the mean weight of two-month-old baby boys is 13.9 pounds. Based on the confidence interval, is it reasonable to believe that the mean weight of two-month-old baby girls may be the same as that of two-month-old baby boys? Explain.
Part 1 of 2 (a) A $90 \%$ confidence interval for the mean weight of two-month-old baby girls is $10.307<\mu<12.539$ .
Part: $1 / 2$
Part 2 of 2 (b) It (Choose one) $\boldsymbol{\nabla}$ reasonable to believe that the mean weight of two-month-old baby girls may be the same as that of two-month-old baby boys. Skip Part Check Save For Later Submit Assi - 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use 1 Pivacy Center $\quad$ t

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Problem 1211

Find the amount of discount and the sale price. \begin{tabular}{|c|c|c|c|} \hline \begin{tabular}{c} Original \\ Price \end{tabular} & \begin{tabular}{c} Discount \\ Rate \end{tabular} & \begin{tabular}{c} Amount of \\ Discount \end{tabular} & Sale Price \\ \hline $\$ 265.50$ & $30 \%$ & & \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|} \hline \begin{tabular}{c} Original \\ Price \end{tabular} & \begin{tabular}{c} Discount \\ Rate \end{tabular} & \begin{tabular}{c} Amount of \\ Discount \end{tabular} & Sale Price \\ \hline $\$ 265.50$ & $30 \%$ & $\$ \square$ & $\$ \square$ \\ \hline \end{tabular} (Round to the nearest cent as needed.)

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Problem 1212

www-awu.aleks.com d Onlin. Sports Betting Secret -... 11/22/24 ATL @ CHI /// St... Home - Northern Essex... Content A ALEKS - Jonathan Vega... ChatGPT (5) KaiCenat - T Homework * $4: 7(1,2,3,4) 8(2,3,4)$ Question 34 of 40 (1 point) I Question Attempt: 1 of 3 Jonathan 2 23 24 25 26 27 28 29 30 31 $\checkmark 32$ Españo 33
Volunteering: The General Social Survey asked 1305 people whether they performed any volunteer work during the past year. A total of 522 people said they did.
Part 1 of 3 (a) Find a point estimate for the proportion of people who performed volunteer work during the past year. Round the answer to at least three decimal places.
The point estimate for the proportion of people who performed volunteer work during the past year is $\square$ 0.4000
Alternate Answer: 0.4
Part: $1 / 3$
Part 2 of 3 (b) Construct a $95 \%$ confidence interval for the proportion of people who performed volunteer work during the past year. Round the answer to at least three decimal places.
A $95 \%$ confidence interval for the proportion of people who performed volunteer work during the past year is $\square$ $<p<$ $\square$ Skip Part Check Save For Later Submit Assignmen 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center I Accessibil

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Problem 1213

www-awu.aleks.com tting and Onlin.... Sports Betting Secret - 11/22/24 ATL @ CHI III St... Home - Northern Essex... Content ChatGPT (5) KaiCenat - Twitcr Homework \# 4: $7(1,2,3,4) 8(2,3,4)$ Question 40 of 40 (1 point) I Question Attempt: 1 of 3 Jonathan Español
Eat your cereal: Boxes of cereal are labeled as containing 16 ounces. Following are the weights of a sample of 12 boxes. Assume the population is normally distributed. \begin{tabular}{llllll} \hline 16.05 & 15.96 & 16.13 & 16.07 & 16.17 & 16.07 \\ 16.03 & 16.17 & 16.16 & 15.96 & 16.18 & 16.18 \\ \hline \end{tabular} Send data to Excel
Part 1 of 3 (a) Find the sample standard deviation. Round the answer to at least four decimal places.
The sample standard deviation $s$ is 0.0452 .
Correct Answer: $0.0826$
Part: $1 / 3$
Part 2 of 3 (b) Construct a $99 \%$ confidence interval for the population standard deviation $\sigma$ . Round the answers to at least two decimal places.
A $99 \%$ confidence interval for the population standard deviation is $\square$ $<\sigma<$ $\square$ . Skip Part Check Save For Later Submit Assign

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Problem 1214

Find how many times as much the cost of each share of stock in these companies was in 2010 compared to the cost of each share in 1960. \begin{tabular}{|l|c|c|} \hline Company & 1960 Cost & 2010 Cost \\ \hline Company A & $\$ 0.55$ & $\$ 7.15$ \\ \hline Company B & $\$ 0.25$ & $\$ 3.90$ \\ \hline Company C & $\$ 0.45$ & $\$ 3.78$ \\ \hline \end{tabular}
The cost of each share of stock in Company A was $\square$ times as much in 2010. (Type in integer or a decimal)

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Problem 1215

ww-awu-aleks.com Sports Boting and Onlin... Sports Boting Secret -.. 11/22/24 ATL @ CHI $/ 1 / \mathrm{St}$ . Home - Northern Essex Content ALEKs - Jonathan Vega. ChatGPT (5) KaiCenat - 1 Homework $4: 7(1,2,3,4) 8(2,3,4)$ Question 16 of 40 (1 point) I Question Attempt 1 of 3 Jonathan
The probability that the sample mean score is less than 509 is 0.1841 0 Españ
Correct Answer:
The probability that the sample mean score is less than 509 is 0.1813 .
Part 2 of 5 (b) What is the probability that the sample mean score is between 486 and 525? Round the answer to at least four decimal places.
The probability that the sample mean score is between 486 and 525 is 0.5773
Part 3 of 5 (c) Find the $90^{\text {th }}$ percentile of the sample mean. Round the answer to at least two decimal places.
The $90^{\text {th }}$ percentile of the sample mean is 540.25 .
Part: $3 / 5$
Part 4 of 5 (d) Using a cutoff of 0.05 , would it be unusual if the sample mean were greater than 525 ? Round the answer to at least four decimal places.
It $\square$ (Choose one) be unusual if the sample mean were greater than 525 , since the probability is $\square$ . Skip Part Check Save For Later Submit Assignment (a) 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privagy Center I Accessilbility

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Problem 1216

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 4 & -4 \\ \hline 5 & -5 \\ \hline 6 & -6 \\ \hline 7 & -7 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit Work it out Not feeling ready yet? These can he
Write a linear equation from two points Find the slo

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Problem 1217

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 2 & 16 \\ \hline 3 & 17 \\ \hline 4 & 18 \\ \hline 5 & 19 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$
Submit
Workit out Not feeling ready yet? These can help

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Problem 1218

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 4 & -12 \\ \hline 5 & -15 \\ \hline 6 & -18 \\ \hline 7 & -21 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit
Work it out Not feeling ready yet? These can help: Write a linear equation from two points
Find the slope from a table Write an equation from a graph using a table
Lesson: Unear functions Lesson: Slope

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Problem 1219

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 5 & -45 \\ \hline 6 & -54 \\ \hline 7 & -63 \\ \hline 8 & -72 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit Work it out
Not feeling ready yet? These can help: Write a linear equation from two points Find the slope from a table
Write an equation from a graph using a table Lesson: Linear functions Lesson: Slope

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Problem 1220

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 2 & 64 \\ \hline 3 & 74 \\ \hline 4 & 84 \\ \hline 5 & 94 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit
Work it out Not feeling ready yet? These can help: Write a linear equation from two points Find the slope from a table
Write an equation from a graph using a table Lesson: Linear functions Lesson: Slope

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Problem 1221

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 0 & 73 \\ \hline 1 & 78 \\ \hline 2 & 83 \\ \hline 3 & 88 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit Work it out Not feeling ready yet? These can help:
Write a linear equation from two points Find the slope from a table
Write an equation from a graph using a table Lesson: Linear functions Lesson: Slope

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Problem 1222

Leaming Assessment \begin{tabular}{l} Write the linear equation that gives the rule for this table. \\ \begin{tabular}{cc|c} \hline \\ \hline \end{tabular} \\ \hline \end{tabular} \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 2 & -36 \\ \hline 3 & -28 \\ \hline 4 & -20 \\ \hline 5 & -12 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit
Work it out Not feeling ready yet? These Write a linear equation from two points

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Problem 1223

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 1 & 1 \\ \hline 2 & -26 \\ \hline 3 & -53 \\ \hline 4 & -80 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit

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Problem 1224

Complete the following table: \begin{tabular}{|c|c|} \hline Formula & Name \\ \hline & aluminum ion \\ \hline $\square$ & fluoride ion \\ \hline & copper(II) ion \\ \hline \end{tabular}

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Problem 1225

iven in the table are the BMI statistics for random samples of men and women. Assume that the two samples are independent simple random samples selected from normally istributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. Submit t InIS test: 20 point(S) possible This question: 4 point(s) possible \begin{tabular}{|c|c|r|} \hline & Male BMI & Femal \\ \hline $\boldsymbol{\mu}$ & $\mu_{1}$ & $\mu_{2}$ \\ \hline $\bar{n}$ & 49 & 49 \\ \hline $\bar{x}$ & 27.8756 & 26.07 \\ \hline s & 8.866451 & 4.1461 \\ \hline \end{tabular} - Test the claim that males and females have the same mean body mass index (BMI).
That are the null and alternative hypotheses? A $\begin{array}{l} H_{0}: \mu_{1}=\mu_{2} \\ H_{1}: \mu_{1} \neq \mu_{2} \end{array}$ B. $H_{0}: \mu_{1} \neq \mu_{2}$ $H_{1}: \mu_{1}<\mu_{2}$ C $\begin{array}{l} H_{0}: \mu_{1}=\mu_{2} \\ H_{1}: \mu_{1}>\mu_{2} \end{array}$ D. $H_{0}: \mu_{1} \geq \mu_{2}$ $H_{1}: \mu_{1}<\mu_{2}$ he test statistic, t , is $\square$ . (Round to two decimal places as needed.) he $P$ -value is $\square$ (Round to three decimal places as needed.) tate the conclusion for the test. A. Reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that men and women have the same mean BMI. B. Fail to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that men and women have the same mean BMI. C. Fail to reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that men and women have the same mean BMI. Next

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Problem 1226

Buscer los estados finencieros de une emprese en donde usted debe desarrollar lo siguiente:
Describir la estructura y el desempeño financieros y realizar el análisis vertical y horizontal
UQUIDEZ ACTIVO CORRIENTE $=\$ 131.993,02 \$ 11,46$ PASIVO CORRIENTE \11.522,56$ Significa que por cada dólar que la empresa adeuda a corto plazo, dispone de \$11,46 para pagar dicha deuda.
PRUEBA ACIDA ACTIVO CORRIENTE INVENTARIOS $=\$ 131.993,02-\$ 98.400,00=\$ 2,91$ PASIVO CORRIENTE \ $11.522,56 Significa que por cada dólar que la empresa adeuda, disponemos de \$2,91 para pagar dicha deuda; los inventarios se excluyen de este indicador; por considerar activos menos liquidos y los más sujetos a pérdidas LIQUIDEZ INMEDIATA ACTIVO DISPONIBLE$ =\ $26.637,20 \$ 2,31$ PASIVO CORRIENTE S 11.522,56

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Problem 1227

Student/PlayerTest.aspx?canvas_workflow_statesavailable\&canvas_enrollment_state=active\&canvas_user_id=3490178canvas_module_id=9590348canvas_assignment_points kriscia mejia Question 1 of 5 This test: 20 point(s) possible This question: 4 point(s) possible Submit test ven in the table are the BMI statistics for random samples of men and women. Assume that the two samples are independent simple random samples selected from normally tributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. c. $H_{0}: \mu_{1}=\mu_{2}$ \begin{tabular}{|c|c|c|} \hline & Male BMI & Female BMI \\ \hline $\boldsymbol{\mu}$ & $\mu_{1}$ & $\mu_{2}$ \\ \hline $\boldsymbol{n}$ & 49 & 49 \\ \hline $\bar{x}$ & 27.8756 & 26.0709 \\ \hline $s$ & 8.866451 & 4.146108 \\ \hline \end{tabular} $H_{1}: \mu_{1}>\mu_{2}$ D. $H_{0}: \mu_{1} \gtrless \mu_{2}$ $H_{1}: \mu_{1}<\mu_{2}$ est statistic, $t_{\text {t }}$ is 1.29 . (Round to two decimal places as needed.) -value is 0.202 . (Round to three decimal places as needed.) the conclusion for the test.
Reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that men and women have the same mean BMI. Fail to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that men and women have the same mean BMI. eject the null hypothesis. There is sufficient evidence to warrant reje tejection of the claim that men and women have the same mean BMI. of the claim that men and women have the salme mean BMI. $-\mu_{2}<\Pi$

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Problem 1228

Use the following information to answer questions 37 and 38 Owl Ltd. sells many products. Hoot is one of its popular items. Below is an analysis of the inventory purchases and sales of Hoot for the month of March. Owl uses the perpetual inventory system and the FIFO costing method. \begin{tabular}{|c|c|c|c|c|c|c|} \hline \multicolumn{2}{|l|}{\multirow[b]{3}{}{Price/Unit}} & \multirow[t]{2}{}{} & \multicolumn{2}{|r|}{Purchases} & \multicolumn{2}{|r|}{Sales} \\ \hline & & & Units & Unit Cost & Units & Selling \\ \hline & & & & & & \\ \hline Mar & 1 & Beginning inventory & 600 & \40 & & \\ \hline & 3 & Purchase & 100 & 60 & & \\ \hline & 4 & Sales & & t & 190 & \$80 \\ \hline & 10 & Purchase & 100 & 66 & & \\ \hline & 16 & Sales & & & 275 & 120 \\ \hline & 19 & Sales & & & 220 & 120 \\ \hline & 25 & Sales & & & 75 & 120 \\ \hline & 30 & Purchase & 460 & 75 & & \\ \hline \end{tabular}
37. What is the Cost of Goods Sold for March? (a) \ $34,734$ (b) $\$ 36,366$ (c) $\$ 33,960$ (d) $\$ 37,140$ (e) None of the above
38. What is the ending inventory at March 31? (a) $\$ 34,734$ (b) $\$ 36,366$ (c) $\$ 33,960$ (d) $\$ 37,140$ (e) None of the above

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Problem 1229

The stem-and-leaf plot shows the number of guesses for the number of marbles in a jar. Use the stem-and-leaf plot for questions 1-3. Guesses for Number of Marbles in a Jar \begin{tabular}{c|llllll} \hline Stem & \multicolumn{6}{|c}{ Leaves } \\ \hline 6 & 5 & 5 & 6 & 8 & 9 & 9 \\ 7 & 2 & 3 & 3 & 8 & 8 & 9 \\ 8 & 3 & 5 & & & & \\ 9 & 1 & 2 & 3 & 6 \\ & & & \\ & & 6 & 5 represents 65 \end{tabular}
1. (1 point) Half the guesses is less than what number? a. 73 b. 73.5 c. 75.5 d. 78
2. (1 point) How many guesses for the number of marbles in the jar? a. 22 b. 18 c. 14 d. 31
3. (1 point) Two more guesses were added to the data set, their values were 63 and 68 . Which statement about the data is true? a. The range stays the same. b. The range increases by two. c. The range decreases. d. The range doubles.

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Problem 1230

Table 2 \begin{tabular}{|c|c|} \hline Base & $\mathbf{K}$ \\ \hline Ammonia, $\mathrm{NH}_{3}$ & $1.8 \times 10^{-5}$ \\ \hline Hydrazine, $\mathrm{N}_{2} \mathrm{H}_{4}$ & $1.2 \times 10^{-6}$ \\ \hline Pyridine, $\mathrm{C}_{5} \mathrm{H}_{5} \mathrm{~N}$ & $1.6 \times 10^{-9}$ \\ \hline Aniline, $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}$ & $7.4 \times 10^{-10}$ \\ \hline \end{tabular} i. Choose the most basic solution.

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Problem 1231

\begin{tabular}{|c|c|c|c|c|c|} \hline \multirow[t]{2}{}{1A} & \multirow[b]{2}{}{H} & \multirow[b]{3}{}{5A} & \multirow[b]{3}{}{6 A} & \multirow[b]{3}{}{7A} & \multirow[t]{3}{}{\begin{tabular}{l} 8A \\ 2 \\ He \end{tabular}} \\ \hline & & & & & \\ \hline 3 A & 4A & & & & \\ \hline 5 & 6 & 7 & 8 & 9 & 10 \\ \hline B & C & N & 0 & F & Ne \\ \hline 13 & 14 & 15 & 16 & 17 & 18 \\ \hline Al & Si & P & S & Cl & Ar \\ \hline 31 & 32 & 33 & 34 & 35 & 36 \\ \hline Ga & Ge & As & Se & Br & Kr \\ \hline 49 & 50 & 51 & 52 & 53 & 54 \\ \hline In & Sn & Sb & Te & I & Xe \\ \hline \end{tabular}
Lewis dot structures are helpful in understanding properties of molecules and ions such as shape, reactivity, and how they interact with other chemical species such as biomolecules in the body. Here we explore the steps needed to draw a Lewis structure.
Create the Lewis structure of $\mathrm{CF}_{4}$ . NOTE: do only the step asked for in each part and then click Check-don't work ahead to solve the final structure.
Step 1. Count valence electrons in the molecule or ion. Do this by adding the periodic group numbers for each atom in the structure and adjusting for charge. Enter and Check.

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Problem 1232

The stem-and-leat plot shows the number of guesses for the number of marbles in a jar. Use the stem-and-leaf plot for questions 1-3.
Guesses for Number of Marbles in a Jar \begin{tabular}{c|llllll} \hline Stem & \multicolumn{6}{|c}{ Leaves } \\ \hline 6 & 5 & 5 & 6 & 8 & 9 & 9 \\ 7 & 2 & 3 & 3 & 8 & 8 & 9 \\ 8 & 3 & 5 & & & & \\ 9 & 1 & 2 & 3 & 6 & & \\ & & 615 & represents 65 \end{tabular}
1. (1 point) Half the guesses is less than what number? a. 73 b. 73.5 c. 75.5 d. 78
2. (1 point) How many guesses for the number of marbles in the jar? a. 22 b. 18 c. 14 d. 31
3. (1 point) Two more guesses were added to the data set, their values were 63 and 68. Which statement about the data is true? a. The range stays the same. b. The range increases by two. c. The range decreases. d. The range doubles.

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Problem 1233

Using the following data answer questions 6 \& 7 : \begin{tabular}{|c|l|} \hline Value & Frequency \\ \hline 1 & $X$ \\ \hline 2 & $X X$ \\ \hline 3 & $X X X$ \\ \hline 4 & $X X X X$ \\ \hline 5 & $X X X X X$ \\ \hline 6 & $X$ \\ \hline \end{tabular} histogram A
HISTOGRAM B
HISTOGRAM C histogRam D
6. (1 point) Which histogram represents the data?
7. (1 point) What is the skewness of the data? a. Left skew b. Right skew c. Bimodal d. Symmetric
8. (1 point) The standard deviation of $-5,-5,-5,-5,-5$ is $\qquad$ a. -5 b. 5 c. 0 d. -25
9. (1 point) The mean of 11 numbers is 7 . One of the numbers, 13 , is deleted. What is the mean of the remaining 10 numbers? a. 7.7 b. 6.4 c. 6.0

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Problem 1234

Convert the following to base 10 . (a) $125_{6}$ (d) 1346 (b) $367_{8}$ (g) 32412 s (e) $1000011_{2}$ (j). $241_{15}$ (h) $1231_{12}$

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Problem 1235

108. Harrison Bank has the following financial information. \begin{tabular}{|c|c|} \hline ROE & $16 \%$ \\ \hline Net Income & $\$ 1000$ \\ \hline Total Assets & $\$ 62,500$ \\ \hline Total Equity & $\$ 6250$ \\ \hline \end{tabular}
What is this bank's asset utilization ratio? A) $1.6 \%$ B) $10 \%$ C) $12.8 \%$ D) $16 \%$

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Problem 1236

108. Harrison Bank has the following financial information. \begin{tabular}{|c|c|} \hline ROE & $16 \%$ \\ \hline Net Income & $\$ 1000$ \\ \hline Total Assets & $\$ 62,500$ \\ \hline Total Equity & $\$ 6250$ \\ \hline \end{tabular}
What is this bank's asset utilization ratio? A) $1.6 \%$ B) $10 \%$ C) $12.8 \%$ D) $16 \%$

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Problem 1237

Use the 2020 Federal Tax Rates for Individuals to calculate the estimated taxes for a taxable income of $\$ 66,900$ . \begin{tabular}{|c|c|} \hline \multicolumn{2}{|c|}{2020 Federal Tax Rates for Individuals } \\ \hline Tax rate & Taxable Income Bracket \\ \hline $10 \%$ & $\$ 0$ to $\$ 9875$ \\ \hline $12 \%$ & $\$ 9876$ to $\$ 40,125$ \\ \hline $22 \%$ & $\$ 40,126$ to $\$ 85,525$ \\ \hline $24 \%$ & $\$ 85,526$ to $\$ 163,300$ \\ \hline $32 \%$ & $\$ 163,301$ to $\$ 207,350$ \\ \hline $35 \%$ & $\$ 207,351$ to $\$ 518,400$ \\ \hline $37 \%$ & $\$ 518,401$ or more \\ \hline \end{tabular}

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Problem 1238

the 2020 Federal Tax Rates for Individuals to calculate the estimated taxes for a taxable income of $\$ 35,100$ . \begin{tabular}{|c|c|} \hline \multicolumn{2}{|c|}{2020 Federal Tax Rates for Individuals } \\ \hline Tax rate & Taxable Income Bracket \\ \hline $10 \%$ & $\$ 0$ to $\$ 9875$ \\ \hline $12 \%$ & $\$ 9876$ to $\$ 40,125$ \\ \hline $22 \%$ & $\$ 40,126$ to $\$ 85,525$ \\ \hline $24 \%$ & $\$ 85,526$ to $\$ 163,300$ \\ \hline $32 \%$ & $\$ 163,301$ to $\$ 207,350$ \\ \hline $35 \%$ & $\$ 207,351$ to $\$ 518,400$ \\ \hline $37 \%$ & $\$ 518,401$ or more \\ \hline \end{tabular}

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Problem 1239

Correct
Use the 2020 FICA Tax Rates to calculate the social security tax for a self-employed individual with a taxable income of $\$ 53,600$ .
2020 FICA Tax Rates \begin{tabular}{|c|c|c|c|} \hline Tax & Employee rate & Employer rate & Self-employed rate \\ \hline \begin{tabular}{l} Social \\ Security \\ tax \end{tabular} & $6.2 \%$ of the first $\$ 137,700$ of gross income & $6.2 \%$ of the first \137,700 of gross income & 12.4 \% $of the first$ \ $137,700$ of gross income \\ \hline Medicare tax & $1.45 \%$ & 1.45 \% & $2.9 \%$ \\ \hline \begin{tabular}{l} Additional \\ Medicare tax \end{tabular} & $0.9 \%$ (on earnings over $\$ 200,000$ for single filers; $\$ 250,000$ for joint filers or $\$ 125,000$ for married filing separately) & N/A & $0.9 \%$ (on earnings over \ $200,000 for single filers; \$250,000 for joint filers or$ \ $125,000$ for married filing separately) \\ \hline \end{tabular}

See Solution

Problem 1240

4. The scatter plot represents the average yards gained $x$ and the average points scored per game $y$ in one season for ten randomly selected football teams. The equation of the line of best fit for this data is $y=-10.283+0.098 x$ .
Football Team Statistics
Part A Complete the table by writing the unknown residual values. Round to the nearest tenth. \begin{tabular}{c|c|c} \begin{tabular}{c} Average Yards \\ Gained \end{tabular} & \begin{tabular}{c} Average Points \\ Scored \end{tabular} & Residual \\ \hline 247 & 15 & 1.1 \\ \hline 293 & 18 & 0.9 \\ \hline 300 & 20 & -1.5 \\ \hline 345 & 22 & -1.1 \\ \hline 361 & 24 & -0.2 \\ \hline 372 & 26 & \\ \hline \end{tabular}

See Solution

Problem 1241

Mixed Review
82. If the pattern shown in the table continues, what amount will have \begin{tabular}{|l|l|l|l|l|} \hline \multicolumn{4}{|c|}{ Scholarship Funds } \\ \hline Week & 0 & 1 & 2 & 3 \\ \hline Amount (thousands) & 0 & 2 & 4 & 6 \\ \hline \end{tabular} (9) See Lesson 1-9. been raised by Week 5 ?
Simplify each expression. Justify each step. (-) See Lesson 1-4.
83. $4(13 x)$
84. $2.2+(3.8-x)$
85. $(m+4.5)-0.5$
Get Ready! To prepare for Lesson 2-2, do Exercises 86-88. Simplify each expression.
86. $2[2-(2-3)-2]$
87. $\left(\frac{1}{2}+\frac{1}{3}\right)^{2}$ (1) See Lesson 1-
88. $-1+2 \cdot 3-4$ PowerAlgebra.com Lesson 2-1 Solving One-Step Equations

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Problem 1242

Following are the marks of 13 students in a small quiz: $2,7,3,6,5,4,8,5,8,6,5,9,3$ then the median of these marks is 6.5 6 5.5 5 None of these

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Problem 1243

Ernesto is creating a scale drawing of his bedroom. 1 inch in his drawing represents 12 inches in his bedroom.
Complete the table. \begin{tabular}{|l|c|c|c|c|} \hline 4) $)$ Bedroom (inches) & 12 & 24 & & \\ \hline 4 $)$ & Drawing (inches) & 1 & L & 5 \\ \hline \end{tabular}
Graph the data from the table.

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Problem 1244

Winnie's Wings offers a rewards card. With every $\$ 50$ spent, customers can choose 2 free appetizers.
Complete the table. \begin{tabular}{|l|c|c|c|c|} \hline 1)) Amount spent (\) & 50 & \mid & & 250 \\ \hline 1) ) Free appetizers & 2 & 6 & 8 & \square$ \\ \hline \end{tabular}

See Solution

Problem 1245

You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: \begin{tabular}{|r|} \hline 55 \\ \hline 60.5 \\ \hline 49.4 \\ \hline 46 \\ \hline 55.5 \\ \hline 41.7 \\ \hline 35.6 \\ \hline 75.9 \\ \hline 47.2 \\ \hline 62.3 \\ \hline \end{tabular}
Find the $99 \%$ confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place).
99\% C.I. = $\square$ Answer should be obtained without any preliminary rounding.

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Problem 1246

You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: \begin{tabular}{|r|} \hline 17.5 \\ \hline 12.7 \\ \hline 12.7 \\ \hline 2.1 \\ \hline 7.4 \\ \hline 13.1 \\ \hline 39.6 \\ \hline 21.4 \\ \hline 33.9 \\ \hline 3.9 \\ \hline 25.1 \\ \hline 36.7 \\ \hline \end{tabular}
Find the $99 \%$ confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place).
99\% C.I. =
Answer should be obtained without any preliminary rounding.

See Solution

Problem 1247

jas that has a constant emperature and number of particles. Use the data to answer these two questions.
When the volume of the gas is doubled, the pressure of the gas \begin{tabular}{|c|c|c|} \hline & $(\mathrm{L})$ & $(\mathrm{mm} \mathrm{Hg})$ \\ \hline 1 & 6.00 & 1600 \\ \hline 2 & 8.00 & 1200 \\ \hline 3 & 12.0 & 800 \\ \hline 4 & 16.0 & 600 \\ \hline 5 & 24.0 & 400 \\ \hline \end{tabular} becomes $\qquad$ .
Tap to select answer.
Which set of trials demonstrate this relationship? Select all that apply. Rows 1 and 2 Rows 2 and 4 Rows 1 and 3 Rows 2 and 5 Rows 1 and 4 Rows 3 and 4 Rows 1 and 5 Rows 3 and 5

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Problem 1248

Here are the hottest recorded temperatures (in ${ }^{\circ} \mathrm{F}$ ) for each of sixteen cities throughout North America. \begin{tabular}{|c|c|c|c|c|c|c|c|} \hline \multicolumn{7}{|c|}{ Temperatures } \\ $\left(\right.$ in $\left.^{\circ} \mathrm{F}\right)$ \end{tabular}
Send data to calculator (a) Complete the grouped frequency distribution for the data. (Note that the class width is 4. ) \begin{tabular}{|cc|} \hline \begin{tabular}{c} Temperatures \\ (in ${ }^{\circ} \mathrm{F}$ ) \end{tabular} & \begin{tabular}{c} Frequency \end{tabular} \\ \hline 92.5 to 96.5 & $\square$ \\ 96.5 to 100.5 & $\square$ \\ 100.5 to 104.5 & $\square$ \\ 104.5 to 108.5 & $\square$ \\ 108.5 to 112.5 & $\square$ \\ \hline \end{tabular} (b) Using the classes from part (a), draw the frequency polygon for the data. Note that you can add or remove classes from the figure. Label each class with its midpoint.

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Problem 1249

Points: 0 of 1 Save
The prices of 9 houses sold in a neighborhood are shown. Complete parts (a) through (e) below. \begin{tabular}{ll} $\$ 199,000$ & $\$ 210,000$ \\ $\$ 171,000$ & $\$ 185,000$ \\ $\$ 220,000$ & $\$ 188,000$ \\ $\$ 17,000$ & $\$ 190,000$ \\ $\$ 485,000$ & \end{tabular} A. The mode of the data set is $\$$ $\square$ (Type an integer or a decimal. Use a comma to separate answers as needed.) B. There is no mode. d) Determine the midrange.
The midrange of the data set is $\$ 328,000$ . (Type an integer or a decimal.) e) Which measure of central tendency, the mean or the median, best represents the typical price of the houses sold?
The best measure of central tendency that represents the typical price of the houses sold is the mean $\square$ because the mean is not affected by unusual data values.

See Solution

Problem 1250

For 2022, XYZ company had the following information: Net Sales \ $100,000 Operating expenses \$20,000 Invenntory on 1/1/2022 \$40,000 Inventory on 31/12/2022 \$50,000 Freight in$ \ $100$ Purchases \ $200,000 Purchase discount \$10,000 Purchase return and allowances$ \ $2000$ Prepare Income Statement for XYZ company for 2022, CYZ company uses periodic system

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Problem 1251

The salaries of 10 employees of a small company are listed. Complete parts (a) through ( t ) below. \begin{tabular}{cc} \hline $\$ 27000$ & $\$ 68000$ \\ \hline 26000 & 31000 \\ \hline 28000 & 30000 \\ \hline 29000 & 79000 \\ \hline 29000 & 32000 \\ \hline \end{tabular} b) Determine the median.
The median salary is \ $29500 (Simplify your answer.) c) Determine the mode(s). Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The mode salary/salaries is/are$ \ $29000$ . (Use a comma to separate answers, but do not use commas in any individual numbers.) B. There is no mode. d) Determine the midrange.
The midrange of the data set is $\$$ $\square$ (Simplify your answer.)

See Solution

Problem 1252

Question Fill in the following contingency table and find the number of students who both play sports AND play an instrument. \begin{tabular}{|l|l|l|l|} \hline Students & play an instrument & do not play an instrument & Total \\ \hline play sports & & & 51 \\ \hline do not play sports & 23 & & 48 \\ \hline Total & & 46 & \\ \hline \end{tabular}
Provide your answer below:

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Problem 1253

ANOVA Aaxiety Leve! \begin{tabular}{ll|l|l|l|l} & \begin{tabular}{l} Sum of \\ Squares \end{tabular} & df & & Mean Square & $F$ \end{tabular} - Interpret these results by explaining if there is a significant difference between any of the groups, and if so, how you can tell. - Reflect on these results and how they fit with your own experiences and expectations. - Discuss any limitations of ANOVA and explain how they relate to this situation.

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Problem 1254

Use the table, along with dimensional analysis, to convert the given unit to the unit indicated. $20,000 \mathrm{ft}^{3} \text { to gal }$ \begin{tabular}{|ll|} \hline \multicolumn{1}{|c|}{2 pints ( pt $)$ } & $=1$ quart ( qt $)$ \\ \hline 4 quarts & $=1$ gallon (gal) \\ \hline 1 gallon & $=128$ ounces $(\mathrm{oz})$ \\ \hline 1 cup (c) & $=8$ ounces \\ \hline Volume in Cubic Units & Capacity \\ \hline 1 cubic yard & about 200 gallons \\ \hline 1 cubic foot & about 7.48 gallons \\ \hline 231 cubic inches & about 1 gallon \\ \hline \end{tabular} $\square$ gal (Round to the nearest hundredth as needed.)

See Solution

Problem 1255

\begin{tabular}{|c|c|c|c|c|} \hline \multicolumn{5}{|c|}{ Test scores } \\ \hline 97 & 80 & 94 & 86 & 85 \\ \hline 96 & 80 & 83 & 84 & 95 \\ \hline 98 & 93 & 94 & 81 & 82 \\ \hline \end{tabular}
Send data to calculator (a) Complete the grouped frequency distribution for the data. (Note that the class width is 5.) \begin{tabular}{|cc|} \hline Test scores & Frequency \\ \hline 78.5 to 83.5 & 5 \\ 83.5 to 88.5 & 3 \\ 88.5 to 93.5 & 1 \\ 93.5 to 98.5 & 6 \\ \hline \end{tabular} (b) Using the classes from part (a), draw the frequency polygon for the data. Note that you can add or remove classes from the figure. Label each class with its midpoint.

See Solution

Problem 1256

Use Regression to Find and Use an Exponential Model to answer the questions: The numbers of polio cases in the world are shown in the table for various years. \begin{tabular}{|c|c|} \hline Year & Number of Polio Cases (thousands) \\ \hline 1988 & 350 \\ \hline 1992 & 138 \\ \hline 1996 & 33 \\ \hline 2000 & 5 \\ \hline 2005 & 3.2 \\ \hline 2007 & 1.3 \\ \hline \end{tabular}
Let $f(t)$ be the number of polio cases in the world $t$ years since 1980 . The exponential regression equation for the data above is: $f(t)=3768.57(0.74)^{t}$
Predict the number of polio cases in 2011. $\square$ Hint
Predict in which year there will be 1 case of polio. $\square$ Find the approximate half-life of the number of polio cases. Round your answer to one decimal place. $\square$ years Question Help: Post to forum

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Problem 1257

Complete the chart. \begin{tabular}{|c|c|} \hline Base-Ten Numeral & Number Name \\ \hline 1.893 & one and eight hundred ninety-three thousandths \\ \hline 0.600 & \\ \hline 1.503 & \\ \hline 1.013 & \\ \hline & \\ \hline 0.037 & two and two thousandths \\ \hline & \\ \hline & \\ \hline \end{tabular}

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Problem 1258

The table below lists either the diameter or radius for different circles. Fill in the missing diameter or radius for each circle. \begin{tabular}{|c|c|c|} \hline & \multicolumn{2}{|l|}{diameter radius} \\ \hline Circle A & 25 & \\ \hline Circle B & & 4.7 \\ \hline Circle C & 102.56 & \\ \hline Circle D & & 256 \\ \hline \end{tabular}

See Solution

Problem 1259

Complete the table shown to the right for the half-life of a certain radioactive substance. \begin{tabular}{|l|l|} \hline Half-Life & Decay Rate, $\mathbf{k}$ \\ \hline 19.5 days & \\ \hline \end{tabular} $k=$ $\square$ (Round to six decimal places as needed.)

See Solution

Problem 1260

Find the volume of 75 grams of a substance given its density.

See Solution

Problem 1261

What would the minimum wage in 2015 be if it grew with inflation from \$1.25 in 1965? Round to the nearest cent.

See Solution

Problem 1262

In 1992, what would a house priced at \$29,000 in 1972 be, given the CPI was 41.8 in 1972 and 140.3 in 1992? Round to the nearest dollar.

See Solution

Problem 1263

Calculate the coefficient of variation for four production alternatives with returns and standard deviations. Recommend the best option to minimize risk.

See Solution

Problem 1264

Greengage, Inc. is evaluating four projects. Determine the least risky by range, lowest standard deviation, and calculate the coefficient of variation for each project. Which project should they choose?

See Solution

Problem 1265

Swift Manufacturing evaluates two projects. Find the return range, expected return, standard deviation, and coefficient of variation for each project. Also, create bar charts for the returns and determine which project is less risky.

See Solution

Problem 1266

Calculate the third moment of the numbers $2, 3, 4, 5, 6$ .

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Problem 1267

Calculate the average exam grades for 10 students who studied ( $93, 96, 89, 88, 88, 99, 78, 96, 98, 75$ ) and 10 who didn't ( $64, 72, 70, 63, 56, 49, 88, 66, 76, 76$ ). Provide answers to two significant figures.

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Problem 1268

Find the equation for the function $f(x)$ using these points: (2, 4.6), (4, 6.0), (6, 7.4), (8, 8.8), (10, 10.2).

See Solution

Problem 1269

Analyze the function values for $f(x)$ : $f(2)=400$ , $f(4)=100$ , $f(6)=-200$ , $f(8)=-500$ , $f(10)=-800$ . What pattern do you see?

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Problem 1270

Calculate the expected return $r_{p}$ for a portfolio of stocks L (40\%) and M (60\%) over 2013-2018, then find $\bar{r}_{p}$ and $\sigma_{r_{p}}$ . Discuss correlation and diversification benefits.

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Problem 1271

Find the slope of the line for the proportional relationship given by $y = 4x$ . Graph this line.

See Solution

Problem 1272

Jamie Wong's portfolio has stocks L (40%) and M (60%). Calculate expected return, average return, std. dev., correlation, and diversification benefits.

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Problem 1273

Is the relation defined by the pairs $(5,1),(2,-3),(4,-1),(2,5)$ a function?

See Solution

Problem 1274

Analyze expected returns and risks for three investment alternatives using data from assets F, G, and H from 2013-2016. Calculate returns, standard deviations, and coefficients of variation. Recommend the best alternative.

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Problem 1275

Create a two-way table for joint and marginal relative frequencies, rounding to the nearest hundredth if needed.

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Problem 1276

A person lost 15 pounds. Find an expression for current weight $B - 15$ . Evaluate for $B = 172$ . What does it mean?

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Problem 1277

What is the probability that a randomly chosen student is not employed given they are job searching, based on the data? Express as a fraction.

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Problem 1278

Complete the contingency table for 125 employees with credit card data. Fill in the missing values:
$\begin{array}{llll} & \text { Credit Card } & \text { No Credit Card } & \text { Total } \\ \text { Seasoned Employee } & & 65 & \square \\ \text { New Employee } & 9 & 89 & 125 \\ \text { Total } & 36 & \end{array}$

See Solution

Problem 1279

Find the probability that a seasoned employee has a credit card, given the table: $P(\text{Credit Card | Seasoned}) = \frac{27}{92}$ . Round to two decimal places.

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Problem 1280

Find the Mean, Median, & Mode of the numbers: 5, 10, 7, 7, 6 and 5, 6, 7, 7, 10.

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Problem 1281

Beregn stigning og slutværdi for følgende: a) 94% vækst, start 521; e) 55% vækst, start 621; b) 26% vækst, start 420; f) 7% vækst, start 355; c) 30% vækst, start 844; g) 66% vækst, start 123; d) 84% vækst, start 109; h) 27% vækst, start 349.

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Problem 1282

What is the probability that a therapist does not use the gym membership given they bring lunch? Answer as a simplified fraction.

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Problem 1283

What is the probability that a participant did not stop smoking given they received an e-cigarette? Use the data: 21 did not stop out of 32.

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Problem 1284

Find the probability that a female cyclist prefers a lake path, given the table data. Round your answer to two decimal places.

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Problem 1285

Find the total number of students who took the test using the frequency data for times: 38 (10), 36 (7), 34 (1), 32 (3), 30 (6).

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Problem 1286

What is the class width of the snowfall frequency table: $0-3$ , $4-7$ , $8-11$ , $12-15$ , $16-19$ ? a) 19 b) 4 c) 3 d) 5

See Solution

Problem 1287

How many batteries lasted less than 410 minutes based on the given frequency data?

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Problem 1288

Calculate the percentage of sweater prices below \$4 from the given stem-and-leaf plot.

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Problem 1289

Describe the distribution of ages for club members given the data: 5: 0, 7, 8; 6: 1, 2, 3, 3, 4, 6, 9; 7: 0, 1, 4, 5, 8, 9; 8: 0, 2.

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Problem 1290

Given the function $f$ with points $(8,0)$ , $(4,-6)$ , $(0,-3)$ , $(-14,-6)$ , $(-2,0)$ , $(-4,6)$ , $(-6,9)$ , $(-12,0)$ , find:
(i) Where is $f(x)>0$ ? (ii) What is the domain of $f$ ? (iii) What is the range of $f$ ?

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Problem 1291

Find $(f+g)(4)$ given $f(4)=1$ and $g(4)=5$ .

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Problem 1292

Ane sells raffle tickets: \$18 for 15 tickets. Find costs for 5, 10, and 15 tickets.

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Problem 1293

Calculate the results of these expressions: $8+9$ , $-6+7$ , $3+10$ , $10+(-6)$ , $11+(-3)$ , $-7+5$ , $-3+(-9)$ , $-1+8$ , $-4+(-4)$ .

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Problem 1294

Calculate the results of these expressions: $10+(-5)$ , $-6+(-9)$ , $-1+12$ , $-9+13$ , $-2+(-7)$ , $11+(-3)$ , $-5+25$ , $-4+(-4)$ , $21+(-9)$ .

See Solution

Problem 1295

Henry runs 8 miles daily. Calculate total distance for 5, 6, and 7 days: $d = 8 \times \text{days}$ .

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Problem 1296

Complete the table using place-value patterns for the decimals: 0.08, 0.5, 0.2, and 0.06.

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Problem 1297

Find Kim's age when Tom is $a$ years old, based on the pattern: Tom's age $n$ corresponds to Kim's age $n + 3$ .

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Problem 1298

Which job will see the highest percent increase in employment from 2006 to 2016: Orthodontist, Sound engineer technician, Police officer, or Editor?

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Problem 1299

1. Find the proportion of accidents with more than one vehicle.
2. Find the proportion of accidents with alcohol or one vehicle.
3. Given alcohol, find the proportion with one vehicle.
4. Given multiple vehicles, find the proportion with alcohol.
5. Find the proportion of accidents with alcohol and one vehicle.
6. Given three vehicles, find the proportion with alcohol.

See Solution

Problem 1300

Jasmine seeks a job with median earnings $\geq \$33,500$ without college. Which fits? a. Makeup artist b. Mathematician c. Private detective d. Massage therapist

See Solution

1 ...10 11 12 13 14 15 16 ...36

Data

Problem 1201

Problem 1202

Problem 1203

Problem 1204

Problem 1205

Problem 1206

Problem 1207

Find the range for the group of data items. 22,23,24,25,2622,23,24,25,2622,23,24,25,26The range is □\square□

Problem 1208

Problem 1209

Problem 1210

Problem 1211

Problem 1212

Problem 1213

Problem 1214

Problem 1215

Problem 1216

Problem 1217

Problem 1218

Problem 1219

Problem 1220

Problem 1221

Problem 1222

Problem 1223

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hlinexxx & yyy \\ \hline 1 & 1 \\ \hline 2 & -26 \\ \hline 3 & -53 \\ \hline 4 & -80 \\ \hline \end{tabular}Write your answer as an equation with y first, followed by an equals sign. □\square□ Submit

Problem 1224

Complete the following table: \begin{tabular}{|c|c|} \hline Formula & Name \\ \hline & aluminum ion \\ \hline□\square□ & fluoride ion \\ \hline & copper(II) ion \\ \hline \end{tabular}

Problem 1225

Problem 1226

Problem 1227

Problem 1228

Problem 1229

Problem 1230

Problem 1231

Problem 1232

Problem 1233

Problem 1234

Convert the following to base 10 . (a) 1256125_{6}1256​ (d) 1346 (b) 3678367_{8}3678​ (g) 32412 s (e) 100001121000011_{2}10000112​ (j). 24115241_{15}24115​ (h) 1231121231_{12}123112​

Problem 1235

Problem 1236

Problem 1237

Problem 1238

Problem 1239

Problem 1240

Problem 1241

Problem 1242

Following are the marks of 13 students in a small quiz: 2,7,3,6,5,4,8,5,8,6,5,9,32,7,3,6,5,4,8,5,8,6,5,9,32,7,3,6,5,4,8,5,8,6,5,9,3 then the median of these marks is 6.5 6 5.5 5 None of these

Problem 1243

Problem 1244

Winnie's Wings offers a rewards card. With every $50\$ 50$50 spent, customers can choose 2 free appetizers.Complete the table. \begin{tabular}{|l|c|c|c|c|} \hline 1)) Amount spent (\) & 50 & \mid & & 250 \\ \hline 1) ) Free appetizers & 2 & 6 & 8 & \square$ \\ \hline \end{tabular}

Problem 1245

Problem 1246

Problem 1247

Problem 1248

Problem 1249

Problem 1250

Problem 1251

Problem 1252

Problem 1253

Problem 1254

Problem 1255

Problem 1256

Problem 1257

Problem 1258

Problem 1259

Complete the table shown to the right for the half-life of a certain radioactive substance. \begin{tabular}{|l|l|} \hline Half-Life & Decay Rate, k\mathbf{k}k \\ \hline 19.5 days & \\ \hline \end{tabular} k=k=k= □\square□ (Round to six decimal places as needed.)

Problem 1260

Find the volume of 75 grams of a substance given its density.

Problem 1261

What would the minimum wage in 2015 be if it grew with inflation from \$1.25 in 1965? Round to the nearest cent.

Problem 1262

In 1992, what would a house priced at \$29,000 in 1972 be, given the CPI was 41.8 in 1972 and 140.3 in 1992? Round to the nearest dollar.

Problem 1263

Calculate the coefficient of variation for four production alternatives with returns and standard deviations. Recommend the best option to minimize risk.

Problem 1264

Greengage, Inc. is evaluating four projects. Determine the least risky by range, lowest standard deviation, and calculate the coefficient of variation for each project. Which project should they choose?

Problem 1265

Swift Manufacturing evaluates two projects. Find the return range, expected return, standard deviation, and coefficient of variation for each project. Also, create bar charts for the returns and determine which project is less risky.

Problem 1266

Find the range for the group of data items. $22,23,24,25,26$
The range is $\square$

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 1 & 1 \\ \hline 2 & -26 \\ \hline 3 & -53 \\ \hline 4 & -80 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit

Complete the following table: \begin{tabular}{|c|c|} \hline Formula & Name \\ \hline & aluminum ion \\ \hline $\square$ & fluoride ion \\ \hline & copper(II) ion \\ \hline \end{tabular}

Convert the following to base 10 . (a) $125_{6}$ (d) 1346 (b) $367_{8}$ (g) 32412 s (e) $1000011_{2}$ (j). $241_{15}$ (h) $1231_{12}$

Following are the marks of 13 students in a small quiz: $2,7,3,6,5,4,8,5,8,6,5,9,3$ then the median of these marks is 6.5 6 5.5 5 None of these

Winnie's Wings offers a rewards card. With every $\$ 50$ spent, customers can choose 2 free appetizers.
Complete the table. \begin{tabular}{|l|c|c|c|c|} \hline 1)) Amount spent (\) & 50 & \mid & & 250 \\ \hline 1) ) Free appetizers & 2 & 6 & 8 & \square$ \\ \hline \end{tabular}

Complete the table shown to the right for the half-life of a certain radioactive substance. \begin{tabular}{|l|l|} \hline Half-Life & Decay Rate, $\mathbf{k}$ \\ \hline 19.5 days & \\ \hline \end{tabular} $k=$ $\square$ (Round to six decimal places as needed.)

Calculate the third moment of the numbers $2, 3, 4, 5, 6$ .

Find the equation for the function $f(x)$ using these points: (2, 4.6), (4, 6.0), (6, 7.4), (8, 8.8), (10, 10.2).

Analyze the function values for $f(x)$ : $f(2)=400$ , $f(4)=100$ , $f(6)=-200$ , $f(8)=-500$ , $f(10)=-800$ . What pattern do you see?

Calculate the expected return $r_{p}$ for a portfolio of stocks L (40\%) and M (60\%) over 2013-2018, then find $\bar{r}_{p}$ and $\sigma_{r_{p}}$ . Discuss correlation and diversification benefits.

Find the slope of the line for the proportional relationship given by $y = 4x$ . Graph this line.

Is the relation defined by the pairs $(5,1),(2,-3),(4,-1),(2,5)$ a function?