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:

Hippocampus

A region of the brain associated with memory and spatial navigation.

Long-Term Storage

The phase of memory in which information is retained for prolonged periods of time, potentially indefinitely.

Hippocampus

A part of the brain involved in memory formation, navigation, and emotional regulation.

Cortex

The outer layer of the cerebrum in the brain, involved in numerous high-level functions such as consciousness, thought, emotion, reasoning, language, and memory.