A Waiting-Line System That Meets the Assumptions of M/M/S Has

Multiple Choice

A waiting-line system that meets the assumptions of M/M/S has λ = 5,μ = 4,and M = 2.For these values,Po is approximately 0.23077,and Ls is approximately 2.05128.What is the average time a unit spends in this system?

A) approximately 0.1603
B) approximately 0.2083
C) approximately 0.4103
D) approximately 0.8013
E) Cannot be calculated because λ is larger than μ.