(Superman Versus m ers arrive according uho
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:(Superman versus mediocre men) Consider two queueing systems where in
both of them the customers arrive according to a Poisson process with rate A and the system capacity
is infinite. System 1 has a server who serves customers with rate 3µ (exponentially distributed). Sys-
tem 2 has three servers and each server (independently) serves customers with rate u (exponentially
distributed). Which system is more efficient (that is, customers wait in queue shorter)? Why?
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