(Expected rate of return and risk) Carter Inc. is evaluating a security. Calculate the investment's expected return and its standard deviation PROBABILITY 0.10 0.50 0.30 0.10 RETURN D 4% 9% 11% 16% (Click on the icon located on the top-right corner of the data table above in order to copy its contents into a spreadsheet.) a. The investment's expected rate of return is .%. (Round to two decimal places)