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A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is under 44 44 minutes.

A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is under 44

44 minutes. A sample of 40 customer deliveries was examined, and the average delivery time was found to be 40.8 minutes. Historically, the standard deviation for delivery time is 10.2minutes. Using =0.01, complete parts a and b below.

a. Does this sample provide enough evidence to support the delivery time claim made by the pizza place?

Determine the null and alternative hypotheses.

Upper H 0

H0:

H1:

The z-test statistic is

The critical z-score(s) is(are)

The p-value is

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