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What assumption about riskadjusted techniques for measuring performance poses a potential problem? Multiple Choice 0 Portfolio risk is constant over time Returns are normally distributed None of the options are correct. Mean reversion OOOO Lognormal outcome of prices Investing in a mutual fund because of positive historical performance is a form of Multiple Choice 0 portfolio bias. fundamental analysis. trend analysis. selection bias. .000 None of the options are correct. Yields on short-term bonds tend to be more volatile than yields on long-term bonds. Suppose that you have estimated that the yield on 20-year bonds changes by 10 basis points for every 13.23-basis-point move in the yield on 5-year bonds. You hold a $7.5 million portfolio of 5-year maturity bonds with modified duration 4 years and desire to hedge your interest rate exposure with T-bond futures, which currently have modified duration 9 years and sell at F0 = $90. How many futures contracts should you sell? (Do not round intermediate calculations. Round your final answer to the nearest whole number.) Number of future contracts 49