# Misc 18 (MCQ) - Chapter 13 Class 12 Probability (Term 2)

Last updated at Aug. 11, 2021 by Teachoo

Last updated at Aug. 11, 2021 by Teachoo

Transcript

Misc 18 If P(A|B) > P(A), then which of the following is correct : (A) P(B|A) < P(B) (B) P(A โฉ B) < P(A) . P(B) (C) P(B|A) > P(B) (D) P(B|A) = P(B) Given P(A|B) > P(A) (๐(๐ด โฉ ๐ต))/(๐(๐ต))>"P(A") P(A โฉ B) > P(A) . P(B) Finding P(B|A) P(B|A) = (๐(๐ด โฉ ๐ต))/(๐(๐ด)) From (1) P(A โฉ B) > P(A) . P(B) Dividing by P(A) both sides (๐(๐ด โฉ ๐ต))/(๐(๐ด))>(๐(๐ด). ๐(๐ต))/(๐(๐ด)) P(B|A) > P(B) So, C is the correct answer.

Miscellaneous

Misc 1 (i)

Misc 1 (ii)

Misc 2 (i) Important

Misc 2 (ii)

Misc 3

Misc 4 Deleted for CBSE Board 2022 Exams

Misc 5 Important Deleted for CBSE Board 2022 Exams

Misc 6 Important Deleted for CBSE Board 2022 Exams

Misc 7 Important

Misc 8 Important

Misc 9 Deleted for CBSE Board 2022 Exams

Misc 10 Important

Misc 11 Important

Misc 12

Misc 13 Important

Misc 14 Important

Misc 15 Important

Misc 16 Important

Misc 17 (MCQ) Important

Misc 18 (MCQ) You are here

Misc 19 (MCQ)

Chapter 13 Class 12 Probability (Term 2)

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.