Please round to 4 decimal places

QI) There is a 21.60% probability of a below average economy and a 78.40% probability of an average economy. If there is a below average economy stocks A and B will have retums of -9.10% and 16.40%, respectively. If there is an average economy stocks A and B will have retums of 5.00% and 3.70%, respectively. Compute the: a) Expected Retum for Stock A (0.75 points): b) Expected Retum for Stock B (0.75 points): c) Standard Deviation for Stock A (0.75 points): d) Standard Deviation for Stock B (0.75 points):