Three bags contain different numbers of blue and red marbles. a bag is selected using a six sided die. if you roll a 1, 2 or 3 you will choose from bag a. if you roll a 4 or 5 you will choose from bag b. if you roll a six you will choose from bag c. bag a has two blue marbles and three red. bag b has one blue marble and for red marbles. bag c has three blue marbles and two red marbles. after you roll the die you will select one marble. create a tree diagram to represent the situation determined the probability that the marble is blue or red