Given the following information below for Stock A, calculate its standard deviation. COPY AND PASTE THE TABLES INTO THE ANSWERING BOX TO FILL OUT THE BLANKS L. - VCR , - Rund XP Where: pi - Probability of some state i Ri= Expected return in state i Recen - Expected return RI - Economic Statei pi - Probability of some state i Expected return in state i Weighted Ri for each State i Boom .30 20% Normal 50 10% Bust 1.20 -5% (Sum Column for Stock A Expected Return) Rmean = Bring the answer you calculated for Rmean = Expected return above and enter it in the correct column Statei Ri- Rmean - (Ri - Rmean) (Ri - Rmean2 KRI - Rmean)2 x pi Boom 130 20% Normal 50 10% Bust 20 -5% Sum of Column = Variance) - Square Root of Variance - Standard Deviation