Two stocks are available. The corresponding expected rates of return are r1 and r2; the corresponding variances and covariances are σ2 1 , σ2 2 , and σ12. What percentages of total investment should be invested in each of the two stocks to minimize the total variance of the rate of return of the resulting portfolio? What is the mean rate of return of this portfolio?

answer; descriptive statistics;

answer; false pretense;

answer: b. false

the staff is a set of five horizontal lines and four spaces which represent a different musical pitch. the lines and the spaces are numbered from bottom to top, the bottom line is the first line and the fifth line is the line on the top. the notes on the top of the staff (fifth line) have a higher pitch than a note at the bottom of the staff.