A Manager Is Trying to Improve a Single-Server Queueing System

Multiple Choice

A manager is trying to improve a single-server queueing system through automation. The average service time is 20 minutes per customer, exponentially distributed, and the arrival rate is 16 customers per 8-hour day (Poisson arrivals) . The automated system will have a constant service time of 16 minutes. The effect of this change will

A) decrease utilization.
B) increase waiting time.
C) decrease waiting time.
D) have no effect since the service time is unchanged.