4. (2.5 points) Identify the solution to the integral Use the following problem statement to answer questions 1 through 4 Let (X, Y) be distributed bivariate normal with parameters [ uf(z, u)dady a. 0 HX = MY =0, ox = ov =1, pe(-1,1) b. 1 The joint pdf of (X, Y) is c. p d. 1 - p f(x, y) = exp 27 \\/1- - p2) (32 - 2pay + y] e. PI f. py with -oo