A portfolio has $1,200 invested in a risk-free asset with a 5% rate of return, and $3,800 invested in a risky asset with a 15% rate of return and a 20% standard deviation.What is the standard deviation of the portfolio?
A)4.80%
B)8.75%
C)15.20%
D)16.77%

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The Answer of A portfolio has $1,200 invested in a risk-free asset with a 5% rate of return, and $3,800 invested in a risky asset with a 15% rate of return and a 20% standard deviation.What is the standard deviation of the portfolio?
A)4.80%
B)8.75%
C)15.20%
D)16.77%

A Portfolio Has $1,200 Invested in a Risk-Free Asset with a 5