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Mathematics, 14.05.2021 19:40 kamelyawarren1

The battery life of a fully charged cell phone is normally distributed, with a mean of 14 hours and a standard deviation of 2 hours. What is the probability that a randomly selected cell phone will have a battery life of at least 8 hours? A) 99.85%
B) 97.5%
C) 99.7%
D) 95%

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