Question: Question 21 (4 points - 1 point per part) Benny the Barber owns a one-chair shop. At barber college, they told Benny that his customers

Question 21 (4 points - 1 point per part) Benny
Question 21 (4 points - 1 point per part) Benny the Barber owns a one-chair shop. At barber college, they told Benny that his customers would exhibit a Poisson arrival distribution and that he would provide an exponential service distribution. His market survey data indicate that customers arrive at a rate of two per hour. It will take Benny an average of 20 minutes to give a haircut. Based on these figures, find the following: Part (a): The average number of customers waiting. Part (b): The average time a customer waits. Part (c): The average time a customer is in the shop. Part (d): The average utilization of Benny's time

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