Null hypothesis that on the average the bank cashes

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An employee of a bank wants to test the null hypothesis that on the average the bank cashes 10 bad checks per day against the alternative that this figure is too small. If he takes a random sample and decides to reject the null hypothesis if and only if the mean of the sample exceeds 12.5, what decision will he make if he gets = 11.2, and will it be in error if

Reference no: EM131137776

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