Question: A priority system is used to process customers, who are assigned one of two classes when they enter the processing centre. The highest-priority class has

A priority system is used to process customers, who are assigned one of two classes when they enter the processing centre. The highest-priority class has an average arrival rate of four per hour; the other class has an average arrival rate of two per hour. Both are Poisson. There are two servers, and each can process customers in an average of six minutes (Exponentially distributed).
a. What is the server utilization?
b. Determine the average wait time for each class.
c. Determine the average number of customers of each class that would be waiting for service.
d. If the manager cot] Id alter tire assignment rules so that arrival rates of the two classes were equal, what would be the revised average wait time for each priority class?

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