Consider a M/M/1 system with arrival rate X and service rate 2µ and a M/M/2 system with arrival rate A and service rate µ for each server. Assume 2µ > A. (a) Determine Po(MM1), the long-run probability that the system M/M/1 is empty. (b) Determine Po(MM2), the long-run probability that the system M/M/2 is empty. (c) Which one is larger, Po(MM1) or Po(M M2)? If you are a customer, which system would you prefer? You do not need to justify your answer to the latter question.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section12.5: Analytic Steady-state Queueing Models
Problem 35P
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Consider a M/M/1 system with arrival rate A and service rate 2µ and a M/M/2 system with
arrival rate A and service rate u for each server. Assume 2µ > A.
(a) Determine Po(M M1), the long-run probability that the system M/M/1 is empty.
(b) Determine Po(MM2), the long-run probability that the system M/M/2 is empty.
(c) Which one is larger, Po(M M1) or Po(M M2)? If you are a customer, which system would
you prefer? You do not need to justify your answer to the latter question.
Transcribed Image Text:Consider a M/M/1 system with arrival rate A and service rate 2µ and a M/M/2 system with arrival rate A and service rate u for each server. Assume 2µ > A. (a) Determine Po(M M1), the long-run probability that the system M/M/1 is empty. (b) Determine Po(MM2), the long-run probability that the system M/M/2 is empty. (c) Which one is larger, Po(M M1) or Po(M M2)? If you are a customer, which system would you prefer? You do not need to justify your answer to the latter question.
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