Question: In a queuing system, the average/expected waiting time in queue Tq increases if - Inter-arrival time is less variable while the average/mean inter-arrival time is

In a queuing system, the average/expected waiting time in queue Tq increases if

- Inter-arrival time is less variable while the average/mean inter-arrival time is the same

- The service time becomes more variable/volatile while the average/mean service time p stays the same

- More servers are added to the system

- Each server works faster

- The system is less efficient, i.e., the utilization decreases

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