please show me the correct steps to arrive at the correct answer that is given!

Correct! rect Answer Use the information below to calculate the Expected return of your portfolio to 1 decimal in percent form. Note 12.31% expected return should be entered as "12.3" Stock 1 Weights 20 % The rest if it Expected Return 13 % 9% Standard Dev. 35 % 18% Correlation between stocks1 and 2 0.72 9.7 Stock 2 9.8 margin of error +/-0.5 Well done