Question: Suppose that for some single - resource queueing system, the expected waiting time in queue is E [ Tq ] = 1 0 minutes, the

Suppose that for some single-resource queueing system, the expected
waiting time in queue is E[Tq]=10 minutes, the utilization is 40%, 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[Tq]?

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