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Mathematics, 18.05.2021 19:20 jadens25
The lifetimes of a certain brand of light bulb are normally distributed, with a mean of 3.5 years and a standard deviation of .75 years. What is the probability one of these light bulbs burns out in under two years
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The lifetimes of a certain brand of light bulb are normally distributed, with a mean of 3.5 years an...
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