Mathematics, 25.05.2021 22:40 gonzalesalexiaouv1bg

The mean life of a battery is 50 hours with a standard deviation of 6 hours. The manufacturer advertises that they will replace all batteries that last less that 38 hours. Use the Empirical Rule to determine if 50,000 batteries were produced, how many would they expect to replace? Please enter the exact number without any units

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