Homework Saved Help Save & E Check Problem 7-21 (Algo) 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 3.0 per hour. It will take Benny an average of 12 minutes to give a haircut. Based on these figures, find the following: a. The average number of customers waiting. (Round your intermediate calculations to 3 decimal places and final answer to 2 decimal places.) OK y Average number of customers waiting ences b. The average time a customer waits (Round your answer to 2 decimal places.) minutes Average waiting time Next > The erano time aristomeric in the chan Dunduintomarinta itinnst Harimalarse en finalanewart 1 of 2 TE lig O pe here to search Saved Help Save & E Check my c. The average time a customer is in the shop. (Round your intermediate calculations to 3 decimal places and final answer to 1 decimal place.) Average time minutes d. The average utilization of Benny's time (Round your intermediate calculations to 3 decimal pieces and final answer to 1 decimel place.) Average utilization D 1 of 2 Next > O ere to search