What is the probability that the server is busy

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An expresso stand has a single server. Customers arrive to the stand at rhe rate of 25 per hour according to a Poisson distribution Service times ae exponentially distributed with a mean service time of 2 minutes per customer. a. find the average time a customer has to wait to receive his /her order. b. Find the average number of customers in the waiting line. c. What is the probability that the server is busy? d. Do you recommend adding another server? explain

Reference no: EM132219289

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