Question: Suppose that for some single-resource queuing system, the expected waiting time in queue is E[Wq] = 10 minutes, the utilization is 0.4, and customer arrivals

Suppose that for some single-resource queuing system, the expected waiting time in queue is E[Wq] = 10 minutes, the utilization is 0.4, and customer arrivals follow a Poisson process. If the customer arrival rate doubles but nothing else in the system changes (and arrivals are still Poisson), which of the following is the new E[Wq]?

a.10 minutes

b.20 minutes

c.40 minutes

d.60 minutes

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