Question 22 The covariance of random variable X with itself is Not yet answered Select one: Marked out of 1.00 O a. The variance of X Flag 0 question O c. 1 O d. twice the standard deviation of XQuestion 23 Not yet answered \"I = 3 cm, a} = OJ, P = 0-6 Mggked outnf \"y = 1 ccm, ,7;- = 03 1. \\7 Flag question The length (X) of the leaf of a special kind of flower and the width (Y) of the leaf are bivariate normally distributed with E(Y | X = 3.2) equals Choose... In the formula _ z 3 f(y|x = 3.2) = #27:\") exp { \"2:3\" }, the letter A should be replaced with Choose\" In the formula f(y|x = 32) = J5\") exp {_%3)12 }, the letter B should be replaced wit J Choose... 1.207846 1 0.3 0.438178 3 Question 24 Not yet answered Marked outnf x,\" = , 0 S x S y S 2' 1.00 2 \\7 Flag question Suppose the joint density function of two random variables, X, Y, is as follows: Let g(Y) be equal to the general expression of E(X|Y) as a function of Y. The expected value of g(Y) equals 0 a. 8/5 0 b. 16/15 0 cl $E(Y\\mid X)$ 0 CL 0.5414