Mathematics, 07.05.2021 21:20, reinajoy
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 15 minutes.
c) What percent of the phones have a battery life less than 5 hours or greater than
5.5 hours? (include 1 decimal place WITHOUT the % sign)
Answers: 2
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The talk-time battery life of a group of cell phone is normally distributed with a mean
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