Introduction to Management Science 12th Edition by Bernard Taylor

Exercise 64

Moore's television repair service receives an average of six TV sets per 8-hour day to be repaired. The service manager would like to be able to tell customers that they can expect 1-day service. What average repair time per set will the repair shop have to achieve to provide 1-day service, on average (Assume that the arrival rate is Poisson distributed and repair times are exponentially distributed.)