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Queuing Theory question

  1. Jun 12, 2010 #1
    hey, I was reading my lecture notes and I'm stuck trying to understand this example.

    A checkout operator can deal with 10 customers per hour. We assume it takes exactly 6 minutes to service each customer.

    The shoppers arrive in groups of 10, every hour. (Average arrival rate of 10/hr)

    Q1. How many people are in the queue on average?
    A. 4.5

    Q2. What's the average waiting time in the Queue?
    4.5 * 6 = 27 minutes.

    Could someone please explain how these answers are derived.

    Thanks :)
     
  2. jcsd
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