Math  /  Word Problems

QuestionFind the scores at 1, 2, and 3 standard deviations above the mean for: a. μ=13.2\mu=13.2, σ=4.2\sigma=4.2; b. μ=86.1\mu=86.1, σ=12.5\sigma=12.5; c. μ=521.4\mu=521.4, σ=81.7\sigma=81.7.

Studdy Solution
Repeat steps to10 for cases b and c.For case bScore=86.+.5=98.6Score\, =86. +.5 =98.6Score=86.+(.5)=111.Score\, =86. +(.5) =111.Score3=86.+3(.5)=123.6Score\,3 =86. +3(.5) =123.6For case cScore=521.4+81.7=603.Score\, =521.4 +81.7 =603.Score=521.4+(81.7)=684.8Score\, =521.4 +(81.7) =684.8Score3=521.4+3(81.7)=766.5Score\,3 =521.4 +3(81.7) =766.5So, the scores one, two, and three standard deviations above the mean areFor case a17.4,21.6,25.8For case b98.6,111.,123.6For case c603.,684.8,766.5

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