Question: Operations Research 2 course(industrial engineering) Consider a production system composed of 1 station at which arriving jobs are processed. The mean time between arrivals equals

Operations Research 2 course(industrial engineering)

Consider a production system composed of 1 station at which arriving jobs are processed. The mean time between arrivals equals 5 minutes with a standard deviation of 2 minutes. The mean processing time of a job is 4 minutes, with standard deviation of 2 minutes. It is assumed that the queue has infinite capacity. a) Estimate the expected waiting time in queue. b) Estimate the expected number of jobs waiting in queue

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