There are two portfolios with no overlapping of stocks or bonds. Portfolio 1 has 6 stocks and 6 bonds. Portfolio 2 has 4 stocks and 8 bonds. If we randomly select one stock, what is the probability that it came from Portfolio1?

You are given the following values of a quadratic function f(x): f(0)=0, f(1)=-2, f(2)=-5. On the basis of these data, the derivative f ' (0) is …

You are to perform a simple linear regression using the dependent variable Y and the independent variable X (Y = a + bX). Suppose that cov(X,Y)=10, var(X)= 5, and that the mean of X is 1 and the mean of Y is 2. What are the values for the regression parameters a and b?

Which of the provided answers solves this system of equations?

2y – 3x = 3y +x

y2 + x2 = 68

Solve the simultaneous linear equations: x + 2y - 2 = 0 and y - 3x = 8

I have a portfolio of two stocks. The weights are 60% and 40% respectively, the volatilities are both 20%, while the correlation of returns is 50%. The volatility of my portfolio is

A typical leptokurtotic distribution can be described as a distribution that is relative to a normal distribution

The quarterly compounded rate of return is 6% per annum. What is the corresponding effective annual return?

What is a Hessian?