Question-3: Security F has an expected return of 10 percent and a standard deviation of 49 percent per year. Security G has an expected return of 14 percent and a standard deviation of 73 percent per year. 4 a. What is the expected return on a portfolio with investment of Tk 38000 in Security F and Tk 78000in Security G? b. If the correlation between the returns of Security F and Security G is -0.25 (minus 0.25), what is the standard deviation of the portfolio described in parte