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 1037716: 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 solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Look up the standard normal (Z) score that corresponds to 97%. Multiply that Z-score by the standard deviation and then add the result to the mean. Anything at or above that number is in the top 3%.

John

My calculator said it, I believe it, that settles it


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