question archive seasons pizza recently hired additional drivers and as a result now claims that its average delivery time for orders is under 45 minutes
seasons pizza recently hired additional drivers and as a result now claims that its average delivery time for orders is under 45 minutes
Subject:MathPrice: Bought3
seasons pizza recently hired additional drivers and as a result now
claims that its average delivery time for orders is under 45 minutes. a sample of 30 customers deliveries was examined, and the average delivery time was found to be 42.3 minutes. historically, the standard deviation for delivery time is 11.6 minutes. using a =0.05, answer the following
a) does this sample provide enough evidence to refute the delivery time claim made by seasons pizza,
b) determine the p-value for this test
c) verify your result using PHStat
