Concept explainers
Queuing Model 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 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)
(c) W(12,7)
(d) W(5,2)
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