A waiting-line system that meets the assumptions of M/M/1 has λ = 1,μ = 4.For this system,what is the probability of more than two units in the system?
A)zero
B)0.015625
C)0.0625
D)0.25
E)0.9375

Name: A waiting-line system that meets the assumptions of M/M/1 has λ = 1,μ = 4.For this system,what is the probability of more than two units in the system? A)zero B)0.015625 C)0.0625 D)0.25 E)0.9375
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Quizplus · Accepted Answer

P(n>2) = 1 - P(n=0) - P(n=1) - P(n=2) = 1 - (1/4)^0(3/4)^4 - (1/4)^1(3/4)^4 - (1/4)^2(3/4)^4 = 0.015625

A Waiting-Line System That Meets the Assumptions of M/M/1 Has