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प्रश्न
A and B are two events such that, P(A) = 0.42, P(B) = 0.48, and P(A ∩ B) = 0.16. Find P(not B)
उत्तर
P(A) = 0.42
P(B) = 0.48
P(A ∩ B) = 0.16
P(not B) = `"P"(bar"B")` = 1 – P(B)
= 1 – 0.48
= 0.52
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