Mathematics, 08.12.2020 02:20 cocoapop
The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1700 hours and a standard deviation of 100 hours. Using the empirical rule, determine what interval of hours represents the lifespan of the middle 68% of light bulbs.
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The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1700 h...
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