QuestionInterpreting calculator display: The following TI-84 Plus display presents the results of a hypothesis test. ``` Z-Test \mu> $45 z}=2.87255105 P=.0020359269 \}=48.7 n=71 ```
Part: $0 / 5$ $\square$
Part 1 of 5 What are the null and alternate hypotheses? $$\begin{array}{l} H_{0}: \mu=45 \\ H_{1}: \mu>45 \end{array}$$
$\square$ $\square$ $$1 \neq 1$$ $\square$ $$\mu$$ $\square$ 0 lo $\square$ \%
Part: $1 / 5$
Part 2 of 5 What is the value of the test statistic? Enter the value to the full accuracy shown (do not round). $$z=\square$$