A single-phase waiting-line system meets the assumptions of constant service time or M/D/1. Units arrive at this system every 10 minutes on average. Service takes a constant 4 minutes. The average length of the queue L_q is A) 0.4 B) 0.133 C) 4.167 D) 4.583 E) 6

Question

Quizplus · Accepted Answer

Lq = (λ^2 * Ts) / (2 * (μ - λ)) = (0.1^2 * 4) / (2 * (0.15 - 0.1)) = 0.133

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