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

question 28

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 Lq is approximately

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

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