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,
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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
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.
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