A Single-Phase Waiting-Line System Meets the Assumptions of Constant Service

question 114

Multiple Choice

A single-phase waiting-line system meets the assumptions of constant service time or M/D/1. Units arrive at this system every 12 minutes on average. Service takes a constant 8 minutes. The average length of the queue L_q is approximately

• A) 0.67
• B) 2.5
• C) 4.5
• D) 5.0
• E) 7.5

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Definitions:

Commonsense Understanding

The natural ability to make practical judgments and decisions based on the simple perception of the situation or facts.

Clinical Psychologist

A professional specializing in diagnosing and treating mental illness, emotional disturbances, and dysfunctional behavior through therapy.

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Feeling a state of nervousness or worry, often characterized by physical symptoms like increased heart rate and sweating.

Stays Home

The act of remaining in one's living residence instead of going out to social or public places.