With a Single-Server Model, Increasing the Arrival Rate by 10

Multiple Choice

With a single-server model, increasing the arrival rate by 10 percent and also increasing the service rate by 10 percent will result in a(n) :

A) increase in the utilization of the server.
B) increase in the average number of customers in the system.
C) decrease in the average time spent in the system, including service.
D) increase in the waiting-line time.