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2 marksClassical Probability and Relative Frequency

CSEC Additional Mathematics · May/June 2009 · Paper 2 · Question 9(i)

A musician has to play 4 pieces from a list of 9. Of these 9 pieces, 4 were written by Beethoven, 3 by Handel and 2 by Sibelius.

Calculate the number of ways the 4 pieces can be chosen if there are no restrictions.

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Other parts of this question

  1. 9(ii)Calculate the number of ways the 4 pieces can be chosen if there must be 2 pieces by Beethoven, 1 by Handel and 1 by Sibelius.[3 marks]
  2. 9(iii)Calculate the number of ways the 4 pieces can be chosen if there must be at least one piece by each composer.[4 marks]

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