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Question

# The consultant who advised the city on building the parking garage described predicted that the parking revenues would average \$130 per day. Do the data from these two months suggest the consultant's estimate may have been incorrect? a) Write the null hypothesis. b) Decide whether you should conduct a one- or two-tail test and write an appropriate alternative hypothesis. c) Confirm that the assumptions and conditions for inference based on t-models are satisfied. d) Find the value of t and the P-value based on these data. e) State your conclusion.

Solution

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Answered 1 year ago
Answered 1 year ago
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(a) Write the null hypothesis $H_0$ as the claim where the mean daily income of the parking garage is equal to $\130$.

$\boxed{H_0:\mu=130}$

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