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Mathematics, 15.04.2020 03:38 antoinewill05
The lifetimes of a certain type of car battery are normally distributed with a mean 5.9 years and standard deviation 0.4 year. The batteries are guaranteed to last at least 5 years. What proportion of batteries fail to meet the guarantee? In other words, what proportion of batteries last less than 5 years?
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The lifetimes of a certain type of car battery are normally distributed with a mean 5.9 years and st...
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