please answer as fast as you can

state probability Return on A RETURN ON B POOR 35% -0.06 -0.1 NORMAL 15% 0.18 0.14 GOOD 50% 0.2 0.3 Weight a Weight b 1.7 3 what is the return of stock a what is the return on stock b what is the standard deviation on stock a What is the standard deviation of stock b. what is the standard deviation on stock a? what is the standard deviation of stockb what is the coefficient of variation to a? what is the return of the portfolio? what is the coefficient of variation for b