Marty's Barber Shop has one barber. Customers have an arrival rate of 2.2 customers per hour, and haircuts are given with a service rate of 4 per hour. Use the Poisson arrivals and exponential service times model to answer the following questions:   What is the probability that no units are in the system? If required, round your answer to four decimal places. P0 = fill in the blank 1 What is the probability that one customer is receiving a haircut and no one is waiting? If required, round your answer to four decimal places. P1 = fill in the blank 2 What is the probability that one customer is receiving a haircut and one customer is waiting? If required, round your answer to four decimal places. P2 = fill in the blank 3

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Marty's Barber Shop has one barber. Customers have an arrival rate of 2.2 customers per hour, and haircuts are given with a service rate of 4 per hour. Use the Poisson arrivals and exponential service times model to answer the following questions:

 

  1. What is the probability that no units are in the system? If required, round your answer to four decimal places.

    P0 = fill in the blank 1

  2. What is the probability that one customer is receiving a haircut and no one is waiting? If required, round your answer to four decimal places.

    P1 = fill in the blank 2

  3. What is the probability that one customer is receiving a haircut and one customer is waiting? If required, round your answer to four decimal places.

    P2 = fill in the blank 3
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