A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is under 45 minutes. A sample of 42 customer deliveries was​ examined, and the average delivery time was found to be 41.3 minutes.​ Historically, the standard deviation for delivery time is 11.9 minutes. Using α=0.05​,

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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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

45

minutes. A sample of

42

customer deliveries was​ examined, and the average delivery time was found to be

41.3

minutes.​ Historically, the standard deviation for delivery time is

11.9

minutes. Using

α=0.05​,

complete parts a and b below.

A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is under 45 minutes. A sample of 42 customer deliveries was examined, and the average delivery time was found to be 41.3
minutes. Historically, the standard deviation for delivery time is 11.9 minutes. Using a = 0.05, 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.
Ho: H
Transcribed Image Text:A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is under 45 minutes. A sample of 42 customer deliveries was examined, and the average delivery time was found to be 41.3 minutes. Historically, the standard deviation for delivery time is 11.9 minutes. Using a = 0.05, 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. Ho: H
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