P(A) = 1/3; P(B) = 2/3; A ও B স্বাধীন হলে P(B/A) = কত?
Solution
Correct Answer: Option B
A ও B স্বাধীন ঘটনা, P(A∩B) = P(A).P(B) = 1/3.2/3 = 2/9
∴ P(B/A) = P(A∩B)/P(A) = 2/9 / 1/3 = 2/3
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