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Suppose the correlation between father and son's height is 0.5, the standard deviation of fathers' heights is 2 inches, and the standard deviation of sons'

Suppose the correlation between father and son's height is 0.5, the standard deviation of fathers' heights is 2 inches, and the standard deviation of sons' heights is 3 inches.

Given a one inch increase in a father's height, what is the predicted change in the son's height?

Answer options:

0.333

0.5

0.667

0.75

1.5

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