Number events on a roulette wheel

Number events on a roulette wheel

Secondary 2
3 marks
TGM Original Questions

A wheel has equally likely slots numbered 0 to 39. Find the probability that the selected number

  1. is less than 25,[1]
  2. does not contain the digit 2,[1]
  3. is 40.[1]

Solution:

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Answer:(i) \(\frac{5}{8}\) (ii) \(\frac{27}{40}\) (iii) \(0\).

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