During busy periods, a new customer walks into WHS every 15 minutes on average, with a...

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During busy periods, a new customer walks into WHS every 15minutes on average, with a standard deviation of 15 minutes. AtPHS, a customer walks in every hour on average, with a standarddeviation of 1 hour. WHS has a staff of 4 stylists, while PHS has 1stylist. The average service time at both salons is 30 minutes,with a standard deviation of 30 minutes.

1.If Alice goes to PHS, how long (in minutes) must she wait inline before her haircut starts?

2.WHS will buy out PHS. WHS will then close PHS’s operations andserve all customers, including existing PHS customers, at the WHSlocation only. Assuming that the previous traffic of PHS customersnow flows to the WHS location, what is the new inter-arrival time(in minutes) at WHS?

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WHSInterArrival time 15 minutesStandard deviation 15 minutesStylists 4Average service time    See Answer
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