a$-2.$ What is the expected rate of return?

Note: Enter your answer as a percent rounded to the nearest whole number.

b$-1.$ What is the variance of the expected returns?

Note: In the calculation, use the percentage values, not the decimal values for the rates of return. Do not round intermediate calculations. Round your answer to the nearest whole number.

b$-2.$hat is the standard deviation of the expected returns?

Note: Enter your answer as a percent rounded to $2$ decimal places.

Answer is complete but not entirely correct.