Finding Probability by Finding the Complement


Here you will learn how to quickly calculate the probability of an event by finding the probability of the complement.Suppose you were asked to calculate the probability of rolling two dice and getting a different number on each. How could you find the answer without needing to enumerate all of the possibilities?

Grades 7 through HS Material from CK-12

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Standards

HSS.CP.A.1

HSS.CP.B.9

7.SP.C.8

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

7.SP.C.8.A

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