Explain how we use a tree diagram to determine the probability of an events

Tree diagrams are a helpful tool for calcuating probabilities when there are several independent events involved. They get their name because these types of diagrams resemble the shape of a tree. The branches of a tree split off from one another, which then in turn have smaller branches.  Just like a tree, tree diagrams branch out and can become quite intricate.

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so then what are you asking?

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