Consider the following probability distribution for stocks Xondy: Probability Return on stock Return on stock Y 1 0.3 -0% 2 0.5 12% 12 3 0.2 -145 20% The comelation coefficient between the two stocks in 0.20 What is the expected rate of return of stock X 0.0560 What is the expected rate of ratum ot stock Y* 0.0740 What d the standard deviation of stock X 0.100 What is the standard deviation of stock Yv 0.1068 Suppose that Rima want to invent 20% of her money in stock X and the rest in stock y What in the expected retum on Alma's porttool 0.0660 What is the plak valamily of Rima's portation t there exists a dek free onset wi that earns 15 annual retum. Rinna deciches to invest 50% in the plak free, and 50in the risky portfolio Identitled above in ports, calculate the shape ratlo