Mathematics, 15.07.2019 05:30 AdoNice
Acertain brand of light bulb is advertised to last 1600 hours. suppose that the lifetimes of the light bulbs are normally distributed with a mean lifetime of 1650 hours and a standard deviation of 60 hours. sketch the normal distribution, go out 3 standard deviations.
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Acertain brand of light bulb is advertised to last 1600 hours. suppose that the lifetimes of the lig...
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