Engineering Maths - Probability

9. There are three events A, B, C one of which must, and only one can happen, the odds are 8 to 3 against A, 5 to 2 against B. The odds against C are

  • Option : A
  • Explanation : Since odds are 8 to 3 against A

                                           Probability  Probability

    and                                   P(A) + P(B) + P(C) = 1

                                            Probability

    Hence odds against C are 43 to 34. 

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