What is the probability that the server is busy

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Reference no: EM132183083

An espresso stand has a single server. Customers arrive to the stand at the rate of 20 per hour according to a Poisson distribution. Service times are 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 orders.

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: EM132183083

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