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Nadusha1986 [10]
3 years ago
10

A certain brand of light bulb is advertised to last 1600 hours. suppose that the lifetimes of the light bulbs are normally distr

ibuted with a mean lifetime of 1650 hours and a standard deviation of 60 hours. sketch the normal distribution, go out 3 standard deviations.
Mathematics
1 answer:
LenKa [72]3 years ago
8 0

3 times 60= #

# +1650 gives you the answer. Good night!

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