Mathematics, 24.05.2021 14:00 brennarfa
The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of 1300 hours and a standard deviation of 85 hours. What percentage light
bulbs last between 1160 hours and 1240 hours, to the nearest tenth?
DONT PLAY WITH MY QUESTION EITHER!
Answers: 3
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The amount of time a certain brand of light bulb lasts is normally distributed with a
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