Combinations and Permutations Question
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Grade 10 Combinations and Permutations CCSS: HSS-CP.B.9
What is the formula for finding the probability of event A, given that both events A and B have already occurred?
- P(A | B)
- P(A | B and A)
- P(A and B) / P(B)
- P(A and B) / P(A)