There is a 47% probability of a below average economy and a 53% probability of an average economy. If there is a below average economy stocks A and B will have returns of 4% and -2%, respectively. If there is an average economy stocks A and B will have returns of 19% and 19%, respectively. Calculate the expected returns and standard deviations of stocks A and B.

Stock A Expected Return (4 decimals):

Stock B Expected Return (4 decimals):

Stock A Standard Deviation (4 decimals):

Stock B Standard Deviation (4 decimals):