Question: We simulate a single-server queuing system using Arena for a replication length of 20 hours and we are interested in estimating the average queue length.

We simulate a single-server queuing system using Arena for a replication length of 20 hours and we are interested in estimating the average queue length. The Warm-Up Period is set to 5 hours. We only run one replication. Arena reports the half width of the confidence interval for the average queue length as “Insufficient” in the Category Overview Report (this is the default report we read) after the simulation finishes.

what will you do next to obtain a valid confidence interval, i.e., Arena will report the actual half width of the confidence interval instead of “Insufficient”? Just choose one from the following options.


A) Shorten the replication length 

B) Increase the replication length

C) Increase the Warm-Up Period 

D) None of these

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