Probability

Probability

Secondary 4

A fair red die and a fair blue die are rolled independently.

  1. Draw a \(6\times6\) possibility diagram showing the sum in each cell.

Use your diagram to find the probability that:

  1. the sum is \(8\);

  2. the sum is at least \(10\);

  3. at least one die shows \(6\).

Solution:

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Answer:(a) See grid; (b) \(\frac5{36}\); (c) \(\frac16\); (d) \(\frac{11}{36}\)

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