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Mary has a portfolio of four securities with the following information: Standard Deviation Expected return 10% 15% 20% 25% Security Investment weight E 20% 30%
Mary has a portfolio of four securities with the following information: Standard Deviation Expected return 10% 15% 20% 25% Security Investment weight E 20% 30% 30% 20% 9% 12% 15% 18% a. Calculate the portfolio's expected return. b. Calculate the portfolio's standard deviation
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