The common measures of a queuing system's performance include
A) probability that the service facility will be idle, average queue length, probability that the waiting time will exceed a specified duration
B) average time each customer spends in the system, probability that the service system will be idle, average time each customer spends in the queue
C) average queue length, maximum time a customer may spend in the queue, the utilization factor for the system
D) average time each customer spends in the system, maximum queue length, probability of a specific number of customers in the system
E) none of the above

Question

Quizplus · Accepted Answer

B is correct because it includes key performance measures of a queuing system: the average time a customer spends in the system, the probability that the service system will be idle, and the average time each customer spends in the queue. These metrics help in understanding both the efficiency of the service system and the experience of the customers.

The Common Measures of a Queuing System's Performance Include