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# Queuing Theory in a Barber Shop

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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 10 per hour and stay an average of 0.5 hour. What is the average number of customers in the barber shop?

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#### Solution Preview

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:

Assume customers arrive at the rate of 10 per hour and stay an average ...

#### Solution Summary

The solution discussed the queuing theory are provided.

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