Please help me answer the following question with a clear answer. Thank you

Question 12

Calculate the 95% confidence intervals for the four different investments included in the following table S&P TSX Composite Index 11.16 16.09 S&P 500 Index in CAD 8.04 16.85 Long-Term Gov't of Canada Bonds 7.47 11.28 Canadian Treasury Bills 5.44 3.99 Average Return (%) Standard Deviation of Returns (%) The 95% confidence interval of the S&P TSX Composite Index is between % and %. (Round to two decimal places. Use ascending order.)