Ordered values, averages and probability

Ordered values, averages and probability

Secondary 2
5 marks
TGM Original Questions

Core stretch

The ordered data are \(0,2,2,2,3,k,m,7,10,10\).

  1. State the mode.[1]
  2. Given the median is 3.5 and the mean is 4.6, find \(k,m\).[3]
  3. One value is selected at random. Which number has probability \(\frac{1}{5}\) of being selected?[1]

Solution:

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Answer:(a) \(2\) (b) \(k=4,m=6\) (c) \(10\).

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