please anwser bothof the question

Ex-Ante Standard Deviation An analyst estimates a 26 % probability of a recession next year, a 50% probability of normal economic growth and a 24% probability of a strong recovery. If a recesslon occurs a stock is projected to have a -16.1% return . With normal growth the stock will generate a 11.1% return and if the strong recovery occurs the stock will have a 26.1% rate of return. This stock's standard devlation is 763% 15.31 % 12.53% 12.26% Ex-Post Standard Deviation A stock had historical monthly returns of -2.4 % , 3% , 3.20 % , 3 % , - 1.3 % and 3 %. Based on this data, the stock would have an annual expected return of deviation of and an annual standard O 17.00%; 8.27% O 17.00%; 8.85% 16.45% ; 7.92 % 16.45% ; 7.57 %