A Multiple-Channel Queuing System with a Poisson Arrival Rate and Exponential

question 57

Multiple Choice

A multiple-channel queuing system with a Poisson arrival rate and exponential service time has an average arrival rate of 4 customers per hour and an average service time of 18 minutes per customer. What is the minimum number of servers required to avoid an overloaded system?

• A) 1
• B) 2
• C) 3
• D) 4

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