The service rate is 12 customers per hour with the service times following an exponential distribution. The customers are patient and come from an innite population. The manager of the DMV would like you to calculate the operational characteristics of the waiting line system.
(a) What is the average system utilization?
(b) What is the average number of customers in the system?
(c) What is the average number of customers waiting in line?
(d) What is the average time a customer spends in the system?
(e) What is the average time a customer spends waiting in line?