A bank manager would like the know the mean wait time for his
customers. He randomly...
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Statistics
A bank manager would like the know the mean wait time for hiscustomers. He randomly selects 25 customers and record the amountof time wait to see a teller. The sample mean is 7.25 minutes witha standard deviation of 1.1 minutes. Construct a 99% confidenceinterval for the mean wait time. Round your answers to 2decimal places.
Lower Limit =
Upper Limit =
Write a summary sentence for the confidence interval youcalculated
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Given that 725s 11n 25Degrees of freedom df n 1 25 1 24At 99
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