Tree Diagrams. How To Draw A Tree Diagram For Picking 3 Balls Out Of A Bag Without Replacing Them

In this video you will learn how to draw a tree diagram for picking 3 balls out of a bag. So in the example there is a bag of balls containing 5 black balls and 3 red balls. You are asked to complete a tree diagram for picking 3 balls out of the bag without replacing any of the balls.

This is an example of a conditional tree diagram because the probabilities of picking the second and third balls will depend on what you picked out the bag at the start. If you need to work out the probabilities of the outcomes then multiply the probabilities across the branches of the tree diagram.

[oratilemojaki]

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[yasminkhalifa]

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