Question & Answer: Assume a drive-up window at a fast food restaurant with a single employee. The exact interarrival…..

Assume a drive-up window at a fast food restaurant with a single employee. The exact interarrival time and service time distributions are not known, but the average and standard deviation has been measured. Customers arrive at the rate of 25 per hour. The standard deviation of the interarrival time is 1 minute. The restaurant has installed automation and the service time is an average of 2 minutes with a standard deviation of .5 minutes.