5.3: Mutually Exclusive and Independent Events

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5 Terms

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Mutually Exclusive Events

Events that have no outcomes in common, meaning they cannot occur at the same time. P(A \text{ and } B) = 0

2
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Independent Events

When one event has no effect on the outcome of another event. For independent events A and B: P(A \text{ and } B) = P(A) \cdot P(B)

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y

y

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2

2

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P(A \text{ or } B) = P(A) + P(B)

Probability of A or B is the sum of their individual probabilities because they have no overlap.