Q. prove or disprove the following statements. state the method of proof used. ( solve step by step with explanations and notes necessary to me understand. )
let m, n e z. then en vm [mn > m – n or mn > n – m).

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?