Calculate the 95% prediction intervals for the four different investments included in the following table. Small Stocks S&P 500 Corporate Bonds T-Bills Average Return 18.37% 11.84% 6.47% 3.46% Standard Deviation of returns 38.79% 20.01% 6.98% 3.14% The 95% prediction interval of small stocks is between negative 57.66% and 94.4%. (Round to two decimal places and put the lower number first.)