Mathematics, 09.08.2021 21:40 makayyafreeman
The lifetime of a certain type of battery is normally distributed with mean value 15 hours and standard deviation 1 hour. There are nine batteries in a package. What lifetime value (in hours) is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages
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The lifetime of a certain type of battery is normally distributed with mean value 15 hours and stand...
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