Mathematics, 10.12.2020 05:30 pcastaneda03
The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of 1600 hours and a standard deviation of 70 hours. Using the empirical rule,
determine what interval of hours represents the lifespan of the middle 99.7% of light
bulbs.
Answers: 2
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The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of 1600...
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