SOLUTION: (mean is 69.6 inches, variance is 3 inches) Find cutoff height to be in the top 5%.

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Question 1039278: (mean is 69.6 inches, variance is 3 inches)
Find cutoff height to be in the top 5%.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
mean is 69.6 inches, variance is 3 inches)
Find cutoff height to be in the top 5%.
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Find the z-value with a left tail of 0.95
invNorm(0.95) = 1.645
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Find the corresponding raw value::
x = z*s + u
x = 1.645*sqrt(3) + 69.6
X = 72.45
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Cheers,
Stan H.
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