Question: *40. Compare the system for first-come, first-served queue discipline with one of last-come, first-served (for instance, in which units for service are taken from the

*40. Compare the system for first-come, first-served queue discipline with one of last-come, first-served (for instance, in which units for service are taken from the top of a stack). Would you think that the queue size, waiting time, and busy-period distribution differ? What about their means? What if the queue discipline was always to choose at random among those waiting? Intuitively, which discipline would result in the smallest variance in the waiting time distribution?

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