Mathematics, 30.09.2020 01:01 anaisabelx7654

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 than 38 hours. If the data is normally
distributed, how many batteries out of 2000 produced will they have to replace?
250
100
50
150

Answers: 2

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The mean life of a battery is 50 hours with a standard deviation of 6 hours. The manufacturer adver...