The lifetime of a type of battery is normally distributed with mean value 10 h and standard deviation 1 h. There are four 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? |
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The lifetime of a type of battery is normally distributed with mean value 10 $\mathrm{h}$ and standard
deviation 1 h. There are four 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?
The lifetime of a type of battery is normally distributed with mean value 10 $\mathrm{h}$ and standarddeviation 1 h. There are four batteries in a package. What lifetime value is such that the totallifetime of all batteries in a package exceeds that value for only 5$\%$ of all packages? |
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