Counting Rule to Calculate Probabilities

Learn how to find the total outcome for two separate events using the Counting Rule.

Grade 7 Material from CK-12

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Develop a probability model and use it to find probabilities of events. Compare probabilities from a model to observed frequencies; if the agreement is not good, explain possible sources of the discrepancy.



Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation.