Unit 5, Lesson 7, Grade 7 icon
Unit 5, Lesson 7

Calculating Probabilities of Compound Events

EngageNY 45 min(s)

When they do, consider reinforcing the idea that tree diagrams can be used to effectively map out a sample space and to compute probabilities, no matter how many stages or outcomes a situation has. Discuss examples in which a tree diagram could organize and visualize outcomes. Pose the following discussion problems to students, and have them sketch trees as possible ways to organize outcomes. Emphasize the ways in which the trees help to organize the outcomes in these two examples.

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