Question: Consider a queueing system where customers arrive according to a Poissonprocess at a rate of 25 per hour and demand iid exponential service times. We

Consider a queueing system where customers arrive according to a Poissonprocess at a rate of 25 per hour and demand iid exponential service times. We havea choice of using either two servers, each of whom can process a customer in 4minutes on average, or a single server who can process a customer in 2 minutes on average.

A. The expected time in the system(W)?

B. The average size of the queue(Lq)?

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