The theory of the compound probability states that for any two events A and B:

CA Foundation · Quantitative Aptitude · MTP · April 2025
The theory of the compound probability states that for any two events A and B:
(A) A. P(A ∩ B) = P(A) × P(B)
(B) B. P(A ∩ B) = P(A) × P(B/A)
(C) C. P(A∪B) = P(A) × P(B)
(D) D. P(A∪B) = P(A) + P(B) – P(A ∩ B)

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. P(A ∩ B) = P(A) × P(B/A)

Topics: Part-C: Statistics

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