IM ONLY STRUGGLING WITH STANDARD DEVIATION PART :D

Consider the following information: Economy Recession Normal Boom Probability of Rate of Return if State Occurs State of Economy Stock A Stock B 20 .035 -30 .60 .115 20 .20 .190 43 a. Calculate the expected return for the two stocks. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the standard deviation for the two stocks. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) a. Expected return of A Expected return of B b. Standard deviation of A Standard deviation of B 11.401% 14.60% % %