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Q. What is the probability of getting a sum 9 from two throws of a dice?

  • (A) 1/2
  • (B) 3/4
  • (C) 1/9
  • (D) 2/9
  • Correct Answer - Option(C)
  • Views: 9
  • Filed under category Math
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Explanation by: Admin
In two throws of a die, n(S) = (6 x 6) = 36.
Let E = event of getting a sum ={(3, 6), (4, 5), (5, 4), (6, 3)}.
P(E) =n(E)/n(S)=4/36=1/9.

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