13. Union Bank is considering opening a drive-through window for customer service. Management estimates that customers will arrive at the rate of 15 per hour. The teller who will staff the window can service customers at the rate of one every three minutes.

Part 1 Assuming Poisson arrivals and exponential service, find:

1. Utilization of the teller
2. Average number in line

14. List four ways to improve upon revenue management in the airline industry.

15. Lately, in order to stimulate demand for its Mexican routes, United Airways has decided to offer a special non-refundable, non-exchangeable, one-month advance-purchased ticket on its Chicago Cancun route for only $450 instead of the regular $650 round-trip fare. The DC-10 used by United Airways has a capacity of 150 passengers in tourist class. Past data analysis showed that the demand for full-fare tickets follow a normal distribution with mean of 60 and a standard deviation of 15. Calculate the number of full-fare seats to reserve.