Individual investors: Multiple Choice Can generally create a diversified portfolio of risky assets such that the standard deviation of the portfolio equals zero. Need to own at least 50 stocks if they wish to create a diversified portfolio Can create a portfolio such that the portfolio beta is less than the lowest beta of any .. Need to own at least 50 stocks if they wish to create a diversified portfolio O Can create a portfolio such that the portfolio beta is less than the lowest beta of any security held in the portfolio. O Are responsible for eliminating unsystematic risk. O Should expect to earn a rate of return based on the total risk of their portfolios