A) \[P(A)+P(B)-2P(A\cap B)\]
B) \[P(A)+P(B)-P(A\cap B)\]
C) \[P(A)-P(B)\]
D) None of the above
Correct Answer: A
Solution :
The probability that only one event is occur is \[=P(A)+P(B)-2P(A\cap B)\]
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