i already did it , but i want to make sure my answers are correct , will give positive feedback immediately but i need GOOD handwriting if by hand or type electronically , ! thank you sooo much love u , if they r correct just tell me , if not explain where is error and correct it , there is no other reference avilable to this worksheet , do it if you can only by this info,, thanks , preferably SOON before i sleep ! ??????

MATH-251 Probability and Statistics, RIT, 2228 5. Let X and Y be discrete random variables with joint probability function 18 1/8 0 2/5 (a) Calculate E(X). E ( x ) = E x P ( x ) = 0 P (0) + 1 P(1) + 2 P ( 2) = 0 ( '3 ) + 1 ( 3 ) + 2 ( 3) = 1 (b) Calculate Cov( X, Y). Op ( o , . ) + op ( 0 , 1 ) + op ( 1 , 0 ) + 1 p(1, 1) + op ( 2, 0) + 28 ( 2 , = 1 x5 + 2x0 = 5 E( 4 ) = Ey Py ( 4 ) = 0 (3 + 1 ( 3) = 3 Cov ( 3 4 ) = Flags - Ex . Ey = 3 - 1 3 = - 5 MATH-251 Probability and Statistics, RIT, 2228 5. Let X and Y be conti own variables with joint density function 1(z.1) = 2+ for 0