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 number in the system L_s is approximately A) 2.25 B) 2.5 C) 3.0 D) 1.33 E) 5.0

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The Answer of 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 number in the system L_s is approximately A) 2.25 B) 2.5 C) 3.0 D) 1.33 E) 5.0

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