The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of...
Mathematics, 11.03.2020 00:12 kat9490
The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of 2000 hours and a standard deviation of 55 hours. What percentage light bulbs last less than 2080 hours, to the nearest tenth?
Answers: 2
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