Misso

Exercise: Chebyshev versus Markov 2 points possible (graded) Let X be a random variable with zero mean and finite variance. The Markov inequality applied to [X] yields P(IXI>=a)<=E[IXI]/a whereas the Chebyshev inequality yields P(IXI>=a)<=E[IX²I]/a² a) Is...

4. Modeling Assumptions in Regression Review: Joint, Conditional, and Marginal Distributions Let (X,Y) be a pair of random variables with joint density h(x,y)=x+y over the space [0,1]**2. -What is the marginal density of X ? We denote this by writing h(x)...