# Question: Fantastic Styling Salon is run by three stylists Jenny Perez

Fantastic Styling Salon is run by three stylists, Jenny Perez, Jill Sloan, and Jerry Tiller, each capable of serving four customers per hour, on average. Use POM for Windows or OM Explorer to answer the following questions:
During busy periods of the day, when nine customers on average arrive per hour, all three stylists are on staff.
a. If all customers wait in a common line for the next available stylist, how long would a customer wait in line, on average, before being served?
b. Suppose that each customer wants to be served by a specific stylist, 1/3 want Perez, 1/3 want Sloan, 1/3 want Tiller. How long would a customer wait in line, on average, before being served?
During less busy periods of the day, when six customers on average arrive per hour, only Perez and Sloan are on staff.
c. If all customers wait in a common line for the next available stylist, how long would a customer wait in line, on average, before being served?
d. Suppose that each customer wants to be served by a specific stylist, 60 percent want Perez and 40 percent want Sloan. How long would a customer wait in line, on average, before being served by Perez? By Sloan? Overall?

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