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
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 wasexamined, and the average delivery time was found to be 40.6 minutes.Historically, the standard deviation for delivery time is 10.5 minutes. Using =0.05, complete parts a and b below.
a. Does this sample provide enough evidence to support the delivery time claim made by the pizzaplace?
Determine the null and alternative hypotheses.
H0:
H1:
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Cambridge IGCSE And O Level Additional Mathematics
Authors: Val Hanrahan, Jeanette Powell
1st Edition
1510421645, 978-1510421646
