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Arnold’s Muffler Shop has a top mechanic who can install mufflers at an average rate of...

  1. Arnold’s Muffler Shop has a top mechanic who can install mufflers at an average rate of 3/hour. Customers needing service arrive at the shop on the average of 2/hour. Assuming the standard assumptions of queueing models exist, find the following:
    1. The utilization of the mechanic
    2. The probability that there are 0 customers in the system, 2 customers in the system.
    3. The average number of customers in line
    4. The average time a customer waits before getting a new muffler
    5. The average time a customer spends in the service system

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