You are the manager of a restaurant for a fast food

Last updated: 6/12/2023

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 6 minutes You select a random sample of 81 orders The sample mean waiting time is 3 38 minutes with a sample standard deviation of 0 9 minute Complete parts a and b below a At the 0 10 level of significance is there evidence that the population mean waiting time is different from 3 6 minutes State the null and alternative hypotheses Ho 3 6 H 3 6 Type integers or decimals Determine the test statistic The test statistic is 2 2 Round to two decimal places as needed Find the p value p value 0 027 Round to three decimal places as needed