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Cell phone talk time between charges is advertised as 10 hours. Assume that talk time is...

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Statistics

Cell phone talk time between charges is advertised as 10 hours.Assume that talk time is approximately normally distributed with amean of 10 hours and a standard deviation of 0.75 hours. a. Findthe probability that talk time between charges for a randomlyselected cell phone is above 11.35 hours.

2.b. Your phone gets only about 8.35 hours of talk time, whatproportion of phones gets less talk time than yours?

2.c. How much talk time would you get between charges, if youhad a phone that get just into the top 1%?

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