The amount of time a certain brand of light bulb lasts is normally distributed with a
me...
Mathematics, 07.05.2020 06:07 guzmangisselle
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 85 hours. What percentage light
bulbs last between 1310 hours and 1470 hours, to the nearest tenth?
Answers: 1
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