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A sample of 100 transaction completion times by bank tellers

Paper help Economics A sample of 100 transaction completion times by bank tellers

Economics

A sample of 100 transaction completion times by bank tellers

A sample of 100 transaction completion times by bank tellers has yielded a mean of 90 seconds and a… Show more A sample of 100 transaction completion times by bank tellers has yielded a mean of 90 seconds and a standard deviation of 10 seconds. Using these results, construct a 95% confidence interval for the population mean completion time (in seconds). • Show less

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