Urgent now: use the graph below to fill in the blank with the correct number: f(−2) = x, y graph. plotted points negative 3, 0; negative 2, 2; 0, 1; and 1, negative 2.

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?