5.0.71 6. 0.71 O 7.0.71 8.0.71 0.0.71 3 > 3 Stock A has the following probability distribution of expected returns. What is Stock A's expected rate of return and standard deviation? Probability Rate of Return 0.1 -15% 0 0.2 0.4 5 0.2 0.1 10 25