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AP EAMCET20226 Jul 2022Morning ShiftMathematicsProbabilityActual

If E and F are events such that P( F )=0.7 and P(E F)=0.2 , then P (E F) is

Options

  1. A2 / 3
  2. B1 / 3
  3. C3 / 4
  4. D1 / 4

Correct answer

A. 2 / 3

Step-by-step solution

P ( F )=0.7 and PE nF )=0.2P ( E F )= P(E n F) P(F) Here, P ( F )=1- P ( F ) =1-0.7=0.3 P ( E F )= 0.2 0.3 = 2 3

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