Calculate the 95% confidence intervals for the S&P/ TSX Composite Index, the S&P 500 in CAD, and long-term Government of Canada bonds included in Figures 10.3 and 10.4?

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FIGURE 10.3 11.60% Average Annual Returns in Canada for S&P/TSX Composite Index, S&P 500 in CAD, Long-Term 7.96% 7.34% Government of 5.72% Canada Bonds, 0% 2% 4% 8% 10% 12% 14% and Three-Month Average Annual Return (%) Canadian Treasury Bills, 1950–2009 S&P TSX Composite Index S&P 500 in CAD Each bar represents an investment's aver- | Long-Term Government Three-Month Canadian age return. of Canada Bonds Treasury Bills Investment