Mathematics, 05.05.2020 01:39 kellimcollier8294
You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting time at the drive-through window for branches in your geographical region, as measured from the time a customer places an order until the time the customer receives the order, was 3.9 minutes. You select a random sample of 64 orders. The sample mean waiting time is 4.03 minutes, with a sample standard deviation of 0.8 minutes. Complete parts (a) and (b) below.
a. Determine the test statistic.(two decimal places)
b. Find the p-value.(three decimal places)
c. What is the conclusion?
Answers: 2
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