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Q: Two dice are rolled simultaneously. Find the probability of getting a total of 9.

  • 1
    1/3
  • 2
    1/9
  • 3
    8/9
  • 4
    9/10
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Answer : 2. "1/9"
Explanation :

Answer: B) 1/9 Explanation: S = { (1, 1), (1, 2), (1, 3), (1, 4),(1, 5), (1, 6), (2, 1), (2, 2),.........(6, 5), (6, 6) } => n(S) = 6 x 6 = 36 E = {(6, 3), (5, 4), (4, 5), (3, 6) } => n(E) = 4 Therefore, P(E) = 4/36 = 1/9

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