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Misc 1 (ii) - Chapter 13 Class 12 Probability (Term 2)

Last updated at Dec. 8, 2021 by

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Misc 1 A and B are two events such that P (A) ≠ 0. Find P(B|A), if (ii) A ∩ B = φA ∩ B = φ P(A ∩ B) = 0 P(B|A) = (𝑃(𝐵 ∩ 𝐴))/(𝑃(𝐴)) = (𝑃(𝐴 ∩ 𝐵))/(𝑃(𝐴)) = 0/(𝑃(𝐴)) = 0 ∴ P(B|A) = 0 (Since P(A) ≠0)

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