The average playing time of compact discs in a large collection is 37 minutes, and the standard deviation is 3 minutes. (a) what value is 1 standard deviation above the mean

The average playing time of compact discs in a large collection is 37 minutes, and the standard deviation is 3 minutes. (a) what value is 1 standard deviation above the mean

asked Jun 23, 2019 32.8k views

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