Quest Bank is considering opening a drive-through window for customer
service. Management estimates that customers will arrive at the rate of
10 per hour. The teller who will staff the window can service at the
rate of one every four minutes. Assume Poisson arrivals and exponential
service.
Determine
The average utilization of the teller
The average number in the waiting line
The average waiting time in the system
The average number in the system
The average waiting time in line
The probability that there will not be more than 4 people on the line at
any given time.
