8.(4%) Two portfolios have the following probability distributions of rate of return for the following one year.
618334c54c901.jpg  What is the correlation coefficient between these two portfolios?
(A)0.67
(B)-0.67
(C)-0.46
(D)-0.0024
(E) None of above

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統計: A(0), B(0), C(1), D(0), E(0) #2798119