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 Ls 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 Ls 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