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AP EAMCET202123 Aug 2021Morning ShiftMathematicsProbabilityActual

Let A and B be two events with P(A)= 1 7 , P ( A B )= 2 3 and P(B)= 2 7 . Then, the value P ( B A ) is

Options

  1. A1 5
  2. B5 49
  3. C4 5
  4. D3 5

Correct answer

C. 4 5

Step-by-step solution

aligned P(B / A) & = P(A / B) P(B) P(A) & = (2 / 5)(2 / 7) (1 / 7) = 4 5 aligned

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