Suppose the expected returns and standard deviations of Stocks A and B are E(R_A) = .081, E(R_B) = .141, _A = .351, and _B = .611.

a-1.	Calculate the expected return of a portfolio that is composed of 26 percent Stock A and 74 percent Stock B when the correlation between the returns on A and B is .41. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Expected return

%

a-2.	Calculate the standard deviation of a portfolio that is composed of 26 percent Stock A and 74 percent Stock B when the correlation between the returns on A and B is .41. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Standard deviation

%

b.	Calculate the standard deviation of a portfolio with the same portfolio weights as in part (a) when the correlation coefficient between the returns on Stocks A and B is .41. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Standard deviation

%