The management of Enterprises ZShuttle isconcerned that the wait times of the gi

The management of Enterprises ZShuttle isconcerned that the wait times of the giant magenta beings from BetaCentari being shuttled to or from the planets served by the companyis too long. This wait time can cause the giant magenta beings fromBeta Centari to switch to their competitor Arthurs DentedShuttle.The company decides to survey a sample of customersto see how long customers are sitting in the shuttle waiting forother customers or waiting at the shuttleport to be pickedup.A sample of 17 customers indicated that the customersare waiting X (bar) = 3 minutes and s = 21seconds.A. Using the 0.05 level of significance is thereevidence that the population mean is above 2 minutes and 40seconds?B. What is your answer in A if X (bar) = 3 minutesand s = 3 minutes and 20 seconds?C. Look at your answers for A and B above and discusswhat you can learn from the results about the effect of a largestandard deviation.

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