If $A$ and $B$ are two events, then the probability of the event that at most one of $A, B$ occurs, is
If $A$ and $B$ are two events, then the probability of the event that at most one of $A, B$ occurs, is
- [IIT 2002]
- A
$P(A' \cap B) + P(A \cap B') + P(A' \cap B')$
- B
$1 - P(A \cap B)$
- C
$P(A') + P(B') + P(A \cup B) - 1$
- D
All of the these
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