How many samples must be selected

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Reference no: EM131384527

Management is exploring the possibility of adding more agents at the check-in counter of an airline to reduce the waiting time of customers. Based on available information, the standard deviation of the waiting times is approximately 5.2 minutes.

If management wants to estimate the mean waiting time to within 2 minutes, with a probability of 0.95, how many samples must be selected?

Reference no: EM131384527

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