Calculate the 95% prediction intervals for the four different investments included in the following table. Average Return Standard Deviation of returns Small Stocks 18.53% 39.57% S&P 500 12.31% 20.61% Corporate Bonds 5.17% 6.43% T-Bills 4.32% 4.35% The 95% prediction interval of small stocks is between % and %. (Round to two decimal places and put the lower number first.)