Question: Average arrival rate = 1 patient every 0.5 hour or = 2 patients / hour Average service time = 20 minutes to treat each patient

Average arrival rate = 1 patient every 0.5 hour or = 2 patients / hour

Average service time = 20 minutes to treat each patient

= 1 patient / 20 minutes = 3 patients / hour

Now we have 2 doctors; i.e., s = 2

Utilization = /2 = 2/6 = 1/3 (Before s=1, =2/3)

Analyze the ER example M/M/1, M/M/2, M/M/3 and M/M/4 and compare the results. Which queuing system would you recommend?

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