Question
Which of the following is true? (there could be more than one answer). Select one or more: a. Cov(X, Y) = 0 always implies that X, Y are independent b. Cov (X, Y) = 0 implies that X,Y are independent if X, Y are bivariate normal c. Cov (X, Y) = 0 if the X, Y are independent d. Cov (X, Y) = 0 if the X, Y are dependent Which of the following statements is true (there could be more than one). Select one or more: a. If X, Y are mutually exclusive they can not be independent b. Independence means that the intersection of the value of X and Y is the empty set. c. If X and Y are independent they are mutually exclusive d. Independence of X and Y implies that P(X|Y) = P(Y).
Explanation / Answer
a) Option-c)
b) option-A), opion-D)