Properties on an eight-sector spinner

Properties on an eight-sector spinner

Secondary 2
TGM Original Questions

A fair spinner has equal sectors labelled 5, 8, 12, 3, 16, 9, 14 and 1. Find the probability that the selected label is

  1. odd,
  2. prime,
  3. a perfect square,
  4. a multiple of 4,
  5. at least 10,
  6. a perfect square or a multiple of 4.

Solution:

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Answer:(i) \(1/2\); (ii) \(1/4\); (iii) \(3/8\); (iv) \(3/8\); (v) \(3/8\); (vi) \(5/8\).

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