Mathematics, 04.02.2021 07:40 245cat
The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of 1400 hours and a standard deviation of 50 hours. Using the empirical rule,
determine what interval of hours represents the lifespan of the middle 68% of light
bulbs.
Answers: 1
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The amount of time a certain brand of light bulb lasts is normally distributed with a
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