There is a 20% chance we will get a 16% return, a 30% chance of getting a 14% return, a 40% chance of getting a 12% return, and a 10% chance of getting an 8% return. The standard deviation for the above investment would be: (Round to the nearset hundredth percent. Answer in the percent format. Do not include % sign in your answer (I.e. If your answer is 4.33%, type 4.33 without a X sign at the end.)) 2.24 What is the expected return of three-stock portfolio if you invest 30% of your investment into a stock with the expected return of 13%, 50% into a stock with the expected return of 8%, and the rest into a stock with the expected return of 3%? Round to the nearset hundredth percent. Answer in the percent format. Do not include % sign in your answer i.e. If your answer is 4.33%, type 4.33 without a % sign at the end.) 8.50 What is the beta of the following portfolio? Stock Beta Investment $80,000 $24,000 $16,000 S40,000 Round to the second decimal place. 1.68