A box contains 4 red and 2 blue chips A chip is drawn at random and then replaced A second chip is then drawn at random Use the tree diagram to calculate th probability for the following 1st draw NIM W 1 red blue At least one blue chip One red and one blue Two of the same color 1 3 NIM 3 M 1 WIN 2nd draw Outcomes red red red blue 3 red red blue blue red blue blue blue