SOLUTION: Suppose you have a mean standardized score of 1500 points with a standard deviation of 150 points.This data is normally distributed. What is the z-score of 1225 points?

Question 633249: Suppose you have a mean standardized score of 1500 points with a standard deviation of 150 points.This data is normally distributed. What is the z-score of 1225 points?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

 z = 

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