Use the following data to answer questions 1, 2, 3, and 4 Probabilita R-045 13-2015 RA1000 10% 0% 3046 R2053 R30% 08 30% Note: You have to show full calculations or else the answer w 1- What is the expected RA? ( 5 pts ) a 10% b- 13% 12% d 11% 2- What is the expected Rg ? ( 2.5 pts ) 18% b- 16% e- 3-What is the standard deviation of Stock B closest to? (5 pts) a- 0.1118 b- 0.2218 C- 0.4418 d- 0.3318 4-What is the standard deviation of the portfolio consisting of 50% A and 50% B? (2.5 pts a- 24.78% b- 25-38% c-21.32% d. Can't be determined as there is a missing information Probability matrix Returns RB = 50% RB = 20% RB = -30% RA = -10% 40% 0% 0% R= 20% 0% 30% 0% R4 = 30% 0% 0% 30%