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Events when two fair dice are rolled

Events when two fair dice are rolled

Secondary 2
6 marks
TGM Original Questions

Optional extension

Two fair six-sided dice are rolled.

  1. State the number of ordered outcomes.[1]
  2. Find the probability that
    1. the scores are equal,[1]
    2. both scores exceed 4,[1]
    3. the total is greater than 9,[1]
    4. both scores are odd,[1]
    5. one score is odd and the other even.[1]

Solution:

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Answer:(a) \(36\) (b)(i) \(\frac{1}{6}\) (ii) \(\frac{1}{9}\) (iii) \(\frac{1}{6}\) (iv) \(\frac{1}{4}\) (v) \(\frac{1}{2}\).

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