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Mathematics, 30.10.2021 08:00 flynwildozfuf5
There are two brands of smartphone batteries, brand A has a lifetime with a mean of 16 hours and a standard deviation of 4 hours, at the same time, brand B has a lifetime with a mean of 18 hours and a standard deviation of 2 hours. Find the probability that the lifetime of Brand A is greater than the lifetime of Brand B.
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There are two brands of smartphone batteries, brand A has a lifetime with a mean of 16 hours and a s...
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