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Question 17 0/2 pts Which statement about portfolio diversification is correct? Proper diversification can eliminate systematic risk. The risk-reducing benefits of diversification do not occur until at least 50-60 individual securities have been purchased. ered Because diversification reduces a portfolio's total risk, it necessarily reduces the portfolio's expected return. swer Typically, as more securities are added to a portfolio, total risk would be ex-pected to decrease at a decreasing rate Proper diversification can eliminate both systematic and unsystematic risk