The capital allocation line provided by a risk-free security and N risky securities is the line that connects the risk-free rate and the global minimum-variance portfolio of the risky securities. the line tangent to the efficient frontier of risky securities drawn from the risk-free rate. the line that connects the risk-free rate and the portfolio of the risky securities that has the highest expected return on the efficient frontier the horizontal line drawn from the risk-free rate. Question 3 20 pts Consider an investment opportunity set formed with two securities that are perfectly negatively correlated. The global minimum variance portfolio has a standard deviation that is always equal to zero equal to - 1 greater than zero. equal to the sum of the securities' standard deviations