Customers Arrive at a Video Rental Desk at the Rate

question 14

Multiple Choice

Customers arrive at a video rental desk at the rate of one per minute (exponential interarrival times) . Each server can handle 0.4 customers per minute (exponential service times) .
-If there are 4 servers,what is the average time it takes in minutes to rent a videotape?

• A)2
• B)3
• C)4
• D)5
• E)6

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