Fair and experimental spinner results

Fair and experimental spinner results

Secondary 2
TGM Original Questions

A fair spinner has six equal sectors numbered 1 to 6.

  1. Find \(P(3)\), \(P(\text{even})\) and \(P(>6)\).
  2. In an experiment the frequencies for 1,2,3,4,5,6 are \(5,m,6,4,2,3\). The experimental mean is 2.9. Find
    1. \(m\),
    2. the median.

Solution:

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Answer:(a) \(1/6,1/2,0\); (b)(i) \(m=10\); (ii) \(2.5\).

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