lated to checkpoint 7.6) (lxpected rate of return and risk) B.J. Gautney Enterprise le evaluating curity. One year Towy bills are currently paying 36 percent. Caleate the woments expected return and its standard deviation Should Gautney invest in this security Probability Return 020 -0% 050 3% 0.10 5% 0.20 10% (Click on the icon in order to cowy its content into a predsheet) The investment's expected retums 28% (Round to two decimal places.) b. The investment standard deviation is Round to two decimal places