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प्रश्न
If A and B′ are independent events then P(A′ ∪ B) = 1 – ______.
रिकाम्या जागा भरा
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उत्तर
If A and B′ are independent events then P(A′ ∪ B) = 1 – P(A) P(B′).
Explanation:
P(A′ ∪ B) = 1 – P(A ∩ B′)
= 1 – P(A) P(B′) ......(since A and B′ are independent).
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