3 DBA4014 Exercise 1st Half page#4: Calculations (12.5 points each) Your Answers Find the volatility(o: standard deviation) of the rates of return of the equally-weighted portfolio made of three stocks: A, B and C where A= 10%, 08= 20%, 0= 30% and P(A,B) = 0.15, P(B,C) = P(A,C) = 0.0. [P(x,y) is the correlation coefficient between x and y.] 3 [Show a brief & clear summary of your work here.]