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When two events are mutually exclusive, why is P(A and B)=0?

When two events are mutually exclusive, why is P(A and B)=0?
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When two events are mutually exclusive, why is P(A and B)=0?

User Koitoer
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Answer:

Explanation:

"mutually exclusive" means "cannot happen at the same time." There's no "union" (no A ∩ B). The probability of this "union" is zero.

User Gacon
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