Mathematics, 20.09.2020 02:01 joe805
For a certain online store, the distribution of number of purchases per hour is approximately normal with mean 1,200 purchases and standard deviation 200 purchases. For what proportion of hours will the number of purchases at the online store exceed 1,400?
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When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41
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For a certain online store, the distribution of number of purchases per hour is approximately normal...
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