Probability 0.30 0.40 0.30 Return 11% 15% 19% Probability 0.20 0.30 0.30 0.20 Return -5% 6% 14% 22% a. Given the information in the table, the expected rate of return for stock Ais %. (Round to two decimal The standard deviation of stock Ais %. (Round to two decimal places.) b. The expected rate of return for stock B is %. (Round to two decimal places.) Vicinanyamala Probability 0.30 0.40 0.30 Return 11% 15% 19% Probability 0.20 0.30 0.30 0.20 Return -5% 6% 14% 22% b. The expected rate of return for stock B is %. (Round to two decimal places.) The standard deviation for stock B is %. (Round to two decimal places.)