1.) A system has 5 servers. Customers arrive at a rate of 6 per hour and service time is 20 minutes. What is the service rate of the system?
2.) A system has 5 servers. Customers arrive at a rate of 6 per hour and service time is 20 minutes. What is the system utilization? (Show answer as a decimal.)
3.)Suppose that this system has 3 servers instead of 5. What is the probability there are no customers in the system? (Show as a decimal to two decimal places.)
4.) What is the symbol for the average number of customers in the waiting line? (Lq,L Wq, W)
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