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Mathematics, 19.10.2019 14:20 kids2006
Assume the mean useful life of a particular light bulb is 2,000 hours and is normally distributed with a standard deviation of 300 hours. calculate the useful life of light bulbs within two standard deviations of the mean.
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Assume the mean useful life of a particular light bulb is 2,000 hours and is normally distributed wi...
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