Common Stock A Probability 0.25 0.50 0.25 Return 13% 16% 20% Common Stock B Probability Return 0.15 - 4% 0.35 7% 0.35 15% 0.15 21% a. Given the information in the table, the expected rate of return for stock Ais 16 25% (Round to two decimal places) The standard deviation of stock Ais (% (Round to two decimal places)