Event X and event Y are independent events. The probability of X is 0.2 [P(X) = 0.2] and the probability of Y is 0.5 [P(Y) = 0.5]. The joint probability of X and Y [P(X, Y] is closest to:

[单选题]Two events are said to be independent if the occurrence of one event:A.Mean

[单选题]The probability of Event A is 40%. The probability of Event B is 60%. The j

[单选题]The probability of event A is 40%. The probability of event B is 60%. The j

[单选题]The probability of Event A is 40%. The probability of Event B is 60%. The j

[单选题]If the probability of event J multiplied by the probability of event K is n

已知X~B(10,0.2)，Y~P(3)，则E(X+2Y)=______已知X~B(10,0.2)，Y~P(3)，则E(X+2Y)=______

设X~B(10,0.2)，Y~B(20,0.2)，且X与Y相互独立，则X+Y~ ( )A. B(30,0.2)B. B(20,0.4)C. B(30,0.4)D

[单选题]If two events, A and B, are independent and the probability of A does not e

[单选题]Which of the following values cannot be the probability of an event?A.0.00.

[单选题]X, Y, and Z are independently distributed. The probability of X is 30%, the