Mary is predicted to score 140 on an achievement test where the mean was 130 and the standard deviation was 10. How likely is it that her actual score will be at or below 134, if the correlation coefficient between the predictor and the achievement test is .80?
A) 85%
B) 34%
C) 16%
D) 2.5 %
E) More information is needed

Question

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The Answer of Mary is predicted to score 140 on an achievement test where the mean was 130 and the standard deviation was 10. How likely is it that her actual score will be at or below 134, if the correlation coefficient between the predictor and the achievement test is .80?
A) 85%
B) 34%
C) 16%
D) 2.5 %
E) More information is needed

Mary Is Predicted to Score 140 on an Achievement Test