Question

Asked Oct 19, 2019

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Draw a tree-diagram to represent all probabilities for the following. A bag contains 14 blue and 8 purple marbles. Two marbles are selected at random without replacement from the bag. What is the probability that the marbles are NOT the same color?

I'm confused about the initial set up for tree-diagrams so I'm not sure how to do this correctly.

I know there are 22 marbles on the first attempt the probabilty for selecting each color is 14/22 and 8/22 how ever I'm confused on how to proceed.

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