Average number of customers in the shop

Reference no: EM131005651

A small barbershop, operated by a single barber, has room for at most two cus- tomers. Potential customers arrive at a Poisson rate of three per hour, and the successive service times are independent exponential random variables with mean
4 hour.

(a) What is the average number of customers in the shop?

(b) What is the proportion of potential customers that enter the shop?

Reference no: EM131005651

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