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Contrast finite and infinite population sources.


. Under what circumstances would a multiple-priority waiting system be appropriate?


 In a multiple-channel system, what is the rationale for having customers wait in a single line, as

is now being done in many banks and post offices, rather than multiple lines? (Hint: The average

waiting time is unaffected.)


. What happens to the length of a waiting line in a highly variable (queuing) setting if a manager

attempts to achieve a high percentage of capacity utilization?