SOLVED

33) Which of the following is a measure of queue performance? A) utilization factor for the system B) average queue length C) probability of a specific number of customers in the system D) average waiting time in the line E) all of the above 34) Which of the following is most likely to be served in a last-in, first-served (LIFS) queue discipline? A) customers checking out at a grocery store B) the in-basket on a manager’s desk C) patients entering a hospital emergency room D) patrons waiting to be seated in a casual-dining restaurant E) customers waiting to see a bank teller 35) Which of the following is NOT a measure of a queue’s performance? A) average time spent in the queue B) average queue length C) probability that the service facility will be idle D) utilization factor for the system E) All of the above are performance measures. 36) A(n) ________ is a discrete probability distribution that often describes the arrival rate in queuing theory. 37) A(n) ________ occurs when an arrival refuses to enter a waiting line; a(n) ________ occurs when an arrival joins a waiting line, then leaves it before being served. 38) A waiting line has a(n) ________ population if, as arrivals take place, the likelihood of additional arrivals is decreased. 39) Of the three types of queue discipline, only ________ is assumed by the four primary waiting line models. 40) A(n) ________ queuing system has one line and one server. 41) A(n) ________ queuing system has one waiting line, but several servers; a(n) ________ queuing system is one in which the customer receives services from several stations before exiting the system 42) A(n) ________ queuing system is one in which the customer receives service from only one station and then exits the system. 43) The ________ probability distribution is a continuous probability distribution often used to describe the service time in a queuing system.