A Multiple-Server Queueing System with an Exponential Arrival Rate and Service

question 33

Multiple Choice

A multiple-server queueing system with an exponential arrival rate and service time has a mean arrival rate of 4 customers per hour and a mean service time of 18 minutes per customer. The minimum number of servers required to keep the utilization factor under 1 is:

• A) 1.
• B) 2.
• C) 3.
• D) 4.
• E) 5.

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Definitions:

Increases

Refers to a growth or rise in quantity, size, number, or intensity of a particular object or phenomenon.

Decreases

The process of becoming smaller or fewer in amount, size, intensity, or degree.

Chief Executive Officers (CEOs)

the highest-ranking corporate officers or executives in charge of managing an organization, responsible for making major corporate decisions.

Resolute

Demonstrating firm determination or unwavering resolve in attitude, purpose, or action.