i need Help solving part B

Consider the following 6 months of returns for 2 stocks and a portfolio of those 2 stocks: Note: The portfolio is a a. What is the expected return and standard deviation of returns for each of the two stocks? b. What is the expected return and standard deviation of returns for the portfolio? c. Is the portfolio more or less risky than the two stocks? Why? a. What is the expected return and standard deviation of returns for each of the two stocks? The expected return of Stock Ais 2.0%. (Round to one decimal place.) The expected return of Stock B is 2.0 %. (Round to one decimal place.) The standard deviation of Stock A is 0.04195 (Round to five decimal places.) The standard deviation of Stock Bis 0.04195 (Round to five decimal places.) b. What is the expected return and standard deviation of returns for the portfolio? The expected return of a portfolio composed of 50% Stock A and 50% Stock B is % (Round to one decimal place.) The standard deviation of a portfolio composed of 50% Stock A and 50% Stock B is (Round to five derimal nlnen