1. Three bags numbered 1, 2 and 3 contain 60, 75 and 100 balls. In each bag, some of the balls are red and some are blue. And respectively, 15%, 60% and 70% of the balls are blue that is, 15% of the balls from Bag#1 are blue, 60% from Bag#2 are blue, and 70% of the balls from Bag#3 are blue. Let B = event that a randomly selected ball is blue Let R = event that a randomly selected ball is red Let B1 = event that a randomly selected ball is from Bag #1 Let B2 = event that a randomly selected ball is from Bag #2 Let B3 = event that a randomly selected ball is from Bag #3 Use probability notation and the notations given above to answer the parts below. Show your work. a) [3] Draw the tree diagram that describes this