6. Q : A bag contains 3 red and 2 blue beads. A bead is chosen at random, its colour noted and then put back. A second bead is then taken from the bag. Draw a tree diagram to show this situation and list all the possible outcomes.
7.
8. Q : A bag contains 3 red and 2 blue beads. A bead is chosen at random and not replaced . A second bead is then taken from the bag. Draw a tree diagram to show this situation and list all the possible outcomes.