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Marianna [84]
3 years ago
8

The talk-time battery life of a group of cell phone is normally distributed with a mean of 5 hours and a standard deviation of 1

5 minutes. A) What percent of the phones have a battery life of at least 4 hours and 45 minutes?
Mathematics
1 answer:
kiruha [24]3 years ago
6 0

The correct answer is 84%

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