The life span of a battery is normally distributed with a, Ask an Expert

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The life span of a battery is normally distributed, with a mean of 2400 hours and a standard deviation of 20 hours.

A. What percent of batteries have a life span that is more than 2445 hours?

b. Would it be unusual for a battery to have a life span that is more than 2445 hours?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9996220

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