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Mathematics, 01.05.2021 19:50 bthakkar25
Suppose that the lifetimes of a certain kind of light bulb are normally distributed with a standard deviation if 110 hours. If exactly 95% of the bulbs die before 920 hours, find the mean lifetime if the bulbs
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Suppose that the lifetimes of a certain kind of light bulb are normally distributed with a standard...
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