SOLUTION: If the weights of males are distributed normally with mean of 170 and standard deviation of 20, what weight (to the nearest pound) would correspond with the 40th percentile?
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Question 975206: If the weights of males are distributed normally with mean of 170 and standard deviation of 20, what weight (to the nearest pound) would correspond with the 40th percentile? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! If the weights of males are distributed normally with mean of 170 and standard deviation of 20, what weight (to the nearest pound) would correspond with the 40th percentile?
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Find the z-value with a left tail of 0.40
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invNorm(0.4) = -0.2534
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Find the corresponding weight value::
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x = -0.2534*20 + 170 = 164.93
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Cheers,
Stan H.
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