Problem 2. Jobs sent to a printer are held in a buffer until they can be printed. Jobs are printed s

Problem 2. Jobs sent to a printer are held in a buffer until they can be printed. Jobs are printed sequentially on a first-come, first-served basis. Jobs arrive at the printer at the rate of four per minute. The average time to print a job is 10 seconds. Assume M/M/1 queuing and steady state. (a) Find λA and λS (b) Find the expected value and standard deviation of the number of jobs in this system at any time. (c) On average, how long does a job spend in the system? (d) If a person submits a job to be printed, what is the probability it will begin printing immediately?

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