Question

Here are the expected returns on two stocks:

Returns

Probability X Y

1 −20% 10%

8 20 15

1 40 20

If you form a 50−50 portfolio of the two stocks, what is the portfolio's standard deviation?

a. 8.1%

b. 15%

c. 13.4%

d. 16.5%

e. 20%

Answer

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