Bport TV repair shop receives an average of four TV sets per 8-hour day to be repaired. You being the service manager would like to tell the customers that they can expect their TV back in 3 days. What average repair time per set will the repair shop hve to achieve to provide 3-day service on the average? (Assume that the arrival rate is Poisson distributed and the repair times are exponentially distributed. ) Bport TV repair shop receives an average of four TV sets per 8-hour day to be repaired. You being the service manager would like to tell the customers that they can expect their TV back in 3 days. What average repair time per set will the repair shop have to achieve to provide 3-day service on the average? (Assume that the arrival rate is Poisson distributed and the repair times are exponentially distributed.)