Mathematics, 14.12.2019 01:31, manou76

The lifetime of a certain type of battery is normally distributed with mean value 13 hours and standard deviation 1 hour. there are nine batteries in a package. what lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages? (round your answer to two decimal places.)

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The lifetime of a certain type of battery is normally distributed with mean value 13 hours and stand...