How long will a customer expect to wait before being served

Reference no: EM131939419

A hair cutting saloon has a single barber who can serve a customer in an average of 20 minutes. Customers arrive in the saloon at an average rate of two per hour for getting a haircut this service.

a. How long will a customer expect to wait before being served?

b. On the average how many customers will be waiting?

c. What is the probability that the barber will be idle?

Reference no: EM131939419

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