Question: The average length of time that a customer waits in line for service is where y is the average arrival rate, written as the number

The average length of time that a customer waits in line for service is

W(x, y) 1 X x - y x > y

where y is the average arrival rate, written as the number of customers per unit of time, and x is the average service rate, written in the same units. Evaluate each of the following.

(a) W(15, 9)

(b) W(15, 13)

(d) W(5, 2)

W(x, y) 1 X x - y x > y

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