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fen otherwise be followed queue. Once customers Jimmy End made to leave, the first in the queue of customers will start barber. If the barber shop daily turnover of T consecutive hours a day for customers in the barbershop where the average length of stay, customers are queuing up at the barbershop the average queue length, hours after the close of the need to complete the relevant work time test data : N barber chairs and closed by the user time to read, a customers went 0 for the moment, the door after each customer from the time a customer comes first time to determine. At the time of the incident comes as a result of two random number (durtime, intertime), the door for customers durtime hairdressing services needed by the time intertime customers for the next one will arrive in the tim