Sonia is creating a visual diagram to show the relationship between rational numbers and whole numbers.
she draws it to show that some whole numbers are rational numbers and some are not. is this correct?
explain why or why not.

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?