Q4 e) (3 points) Solve for V (2 + 3X - 4Y + 67|X 2 1) + Drag and drop an image or PDF file or click to browse...Consider the joint probability distribution for the random variables X and Y. Assume X and Z are independent. X 0 1 2 -2 0.0 0.3 0.0 Y 2 0.2 0.3 0.2 Z -1 0 -2 0.0 0.3 0.0 Y 2 0.2 0.3 0.2Q4 c) (3 points) Solve for V(X|X 2 1), V(Y|X 2 1) and V(Z|X 2 1) + Drag and drop an image or PDF file or click to browse... Q4 d) (3 points) Solve for COV(X, Y|X 2 1) , COV(Y, Z|X 2 1) and COV(X, Z|X 2 1) + Drag and drop an image or PDF file or click to browse...Q4 a) (3 points) Write out the bivariate distribution of X and Z conditional on X 2 1 + Drag and drop an image or PDF file or click to browse... Q4 b) (3 points) Solve for E(X X 2 1), E(Y|X 2 1) and E(Z |X 2 1)