SOLUTION: To be the top 3% of the
class, what score do
you need if the mean must be 70% and standard
deviation to be 7%
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-> SOLUTION: To be the top 3% of the
class, what score do
you need if the mean must be 70% and standard
deviation to be 7%
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Question 1037709: To be the top 3% of the
class, what score do
you need if the mean must be 70% and standard
deviation to be 7% Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! To be the top 3% of the
class, what score do
you need if the mean must be 70% and standard
deviation to be 7%
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Find the z-value with a left-tail of 0.97
invNorm(0.97) = 1.8808
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x = z*s + p
x = 1.8808*0.07 + 0.78
x = 0.9117 = 91.17%
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Cheers,
Stan H.
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