You Have a Portfolio Which Is Comprised of 40% of Stock

Multiple Choice

You have a portfolio which is comprised of 40% of Stock A and 60% of Stock B. What is the standard deviation of this portfolio?
$\begin{array}{lccc}\text { State of the Economy } & \text { Probability } & \text { A } & \text { B } \\\text { Boom } & .15 & 22 \% & 19\% \\\text { Normal } & .80 & 12\% & 10\% \\\text { Recession } & .05 & -26 \% & -4\%\end{array}$

A) 4.39%
B) 5.68%
C) 6.41%
D) 7.14%
E) 9.08%