Video

Count outcomes using tree diagram (Full video)

Khan Academy
Supporting grades: 7

Description: Tree diagrams display all the possible outcomes of an event. Each branch in a tree diagram represents a possible outcome. Tree diagrams can be used to find the number of possible outcomes and calculate the probability of possible outcomes. Created by Sal Khan. And in deciding which car they give me, they're first going to randomly select the engine type. And once again, they're going to have the red, blue, green, and white in little slips of paper in a bowl and they're just going to pick one of them out. So given this, that they're just going to flip a coin to pick the engine, and that all of these, the colors all equally likely, I want to think about the probability of getting a six-cylinder white car.

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