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By: Neil E. Cotter |
Probability |
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Conditional probability |
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Discrete random variables |
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Example 3 |
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Ex: Given P(B, C) = 0.4, P(B, C | A) = 0.8, P(A | B, C) = 0.6. Find P(A).
Sol'n: The following formula defines conditional probability:
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We can solve for P(A) by rearranging this equation and using various events in place of A and B.
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or
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