Question: Swed Spring 2021) 6 A pripority queue has two classes of arrivals. The first class (the higer priority class) arrival has an arrival rate of

Swed Spring 2021) 6 A pripority queue has two classes of arrivals. The first class (the higer priority class) arrival has an arrival rate of 15 customers per hour while the second class (the lower priority class) arrival has an arrival rate of 10 per hour. The service rate per server per hour is 20 customers and there are 2 servers. (1) What is the utilization rate of the system? (two decimal points) (2) What is the average number of class 2 customers in the system? (three decimal points) (3) What is average walting time for class 1 customers? (three decimal points) (minutes) 361

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