Topic: Queuing and Sensitivity Analysis.

1. In general, sensitivity analysis provides information about ____.

A. all possible values the input parameters may take

B. how to eliminate uncertainty from a decision

C. how changes in input parameter values affect the outcome or optimal decision

D. All of the above

E. None of the above

2. All else being equal, if the service rate increases as the arrival rate remains constant, then, in general ____.

A. customer dissatisfaction increases

B. service time increases

C. customer waiting time decreases

D. customer waiting time increases

E. None of the above

3. An organization removes an identical server from its M/M/2 system, making it an M/M/1 system. All else being equal, customers' average service time in the new system ____.

A. increases

B. decreases

C. depends on the arrival rate

D. is unchanged

E. None of the above