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07-10-2022
Mathematics

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a small barber shop has a single chair and an area for waiting, where only one person can be in the chair at a time, and no one leaves without getting their hair cut. so the system is roughly: entrance → wait → haircut → exit assume customers arrive at the rate of 7 per hour and stay an average of 0.6 hour. what is the average number of customers in the barber shop?

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