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Stock A Stock B E ( r ) 15% 10% 20% 30% If AB = -1, what would be standard deviation on a portfolio with
Stock A Stock B | E(r) 15% 10% |
20% 30% |
If AB = -1, what would be standard deviation on a portfolio with 80% in stock A and 20% in stock B?
A. 8% | ||
B.10% | ||
C. 12% | ||
D.14% | ||
E. 15% |
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