Match outcomes, pie chart and empirical probability

Match outcomes, pie chart and empirical probability

Secondary 2
TGM Original Questions

A team recorded 24 results: 12 wins, 7 losses and 5 draws.

    1. Complete a frequency and pie-sector table.
    2. Draw and label the pie chart.
    3. Find the percentage of matches not lost.
    4. Estimate the probability of winning the next match if performance is stable.
  2. A junior team has win probability 0.46 and loss probability 0.31. Find its draw probability.

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Answer:(a)(i) W: 12 and \(180^\circ\), L: 7 and \(105^\circ\), D: 5 and \(75^\circ\); (ii) corresponding pie chart; (iii) \(70.8\%\); (iv) \(1/2\); (b) \(0.23\).

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