(Expected rate of return and risk) Carter Inc. is evaluating a security. Calculate the investment's expected return and its standard deviation.

PROBABILITY RETURN

0.15 5%

0.50 9%

0.20 10%

0.15 14%

a. The investment's expected rate of return is ___%. (Round to two decimal places)

b. The investment's standard deviation is _____%. (Round to two decimal places)