Ex 13.1, 16 - If P(A) = 1/2 , P(B) = 0, then P (A|B) is - Ex 13.1

Ex 13.1, 16 - Chapter 13 Class 12 Probability - Part 2

  1. Chapter 13 Class 12 Probability (Term 2)
  2. Serial order wise

Transcript

Ex 13.1, 16 choose the correct answer: If P (A) = ( 1)/2 , P(B) = 0, then P (A|B) is : (A) 0 (B) 1/2 (C) not defined (D) 1Since P(B) = 0, B = ϕ So, A ∩ B = ϕ P(A ∩ B) = 0 P(A|B) = (𝑃(𝐴 ∩ 𝐵))/(𝑃(𝐵)) = 0/0 ∴ P(A|B) is not defined So, option (C) is correct

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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.