-What Is the Standard Deviation of Stock R?
A) 17

Multiple Choice

$\begin{array}{c}\begin{array}{c}\underline{\text {State of the economy}}\\\text {Boom}\\\text {Normal}\\\text {Recession}\end{array}\begin{array}{c}\underline{\text {Probability}}\\.4\\.3 \\.3 \end{array}\begin{array}{c}\underline{\text {Stock R}}\\32 \% \\10 \% \\-9 \%\end{array}\end{array}$

-What is the standard deviation of Stock R?

A) 17.10%
B) 26.82%
C) 21.85%
D) 14.28%
E) 23.43%