A portfolio consisting of four stocks is expected to produce returns of 9%, 11%, 3% and 17%,

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Question:

A portfolio consisting of four stocks is expected to produce returns of 9%, 11%, 3% and 17%, respectively, over the next four years. What is the standard deviation of these expected returns?respectively, over the next four years. What is the standard deviation of these expected returns?
A) 5.00%
B) 5.77%
C) 25.00%
D) 33.33%