Return -5% Related to Checkpoint 7/11 (Expected rate of return and risk) B. J Gautney Enterprises is evaluating a security, One-year Treasury bills are currently paying 4.1 percent. Calculate the investment's expected return and its standard deviation. Should Gautney invest in this security? Probability 0.10 0.35 0.45 0.10 8% (Click on the icon in order to copy its contents into a spreadsheet.) a. The investment's expected return is 3% (Round to two decimal places.) 19 0%