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Unformatted text preview: that server is free or else remains with server 1 (blocking any other customer from entering service) until server 2 is free. Customers depart the system after being served by server 2. Suppose that when you arrive there is one customer in the system and that customer is being served by server 1. What is the expected total time you spend in the system? Question 3) Let X 1 and X 2 be independent exponential random variables. Without any computations, tell which one of the followings is correct. Explain your answer. (a) E[X 1 +X 2  X 1 > 1] = E[X 2 + 1] (b) E[X 1 +X 2  X 1 > 1] = E[X 1 +X 2 ] + 1 (c) E[X 1 +X 2  X 1 > 1] = E[X 1 ] + E[X 2 ]...
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This note was uploaded on 07/30/2009 for the course INDUSTRIAL 304 taught by Professor Temeldursun during the Spring '09 term at Boğaziçi University.
 Spring '09
 temeldursun
 Operations Research

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