7) You have the following data on a Stock. Find the standard deviation. [Suggested answers are shown in decimal form and could be multiplied by 100 to be shown as a percentage. Economy Bust Boom Probability 0.60 0.40 Return on A -10% 40% a) .15 b) .185 c) .210 d) .245 e) 392 8) Biggie Inc. has a stock beta of 1.75 and Shakur Inc. has a stock beta of 3.10. If you put 2 of your money in Biggie and 75% in Shakur, what will be the beta of your portfolio? a) 2.76 b) 1.95 c) 1.77 d) 2.49 e) 3.25