Expected return, standard deviation, and coefficient of variation

Umbrella company stock is expected to yield -5% and 10% when it is sunny and rainy respectively. The probability of sun is 70% while the probability of rain is 30%

Choose the closest value for the expected return on Umbrella Co. -0.5% 0.055% 5.5% -0.005% 00% Question 8 (0.4 points) Choose one closest to the standard deviation for the umbrella stock return. 5% 06% 7% 8% 9%