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प्रश्न
If A and B are mutually exclusive events, P(A) = 0.35 and P(B) = 0.45, find P(B′)
योग
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उत्तर
Given that P(A) = 0.35 and P(B) = 0.45
Since the events A and B are mutually exclusive then P(A ∩ B) = 0
P(B') = 1 – P(B)
= 1 – 0.45
= 0.55
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