A Service Counter Employs Two Servers

question 63

Multiple Choice

A service counter employs two servers.On average,a server requires 8 minutes to process a customer and service times follow an exponential distribution.Customers arrive at the counter at the rate of 12 per hour according to a Poisson distribution.On average,the total number of customers in the system (i.e. ,waiting and being served) would be

• A)1.600
• B)2.844
• C)3.200
• D)4.444

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Definitions:

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