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lady1998 lady1998
  • 21-03-2017
  • Mathematics
Answered

An election ballot asks voters to select 6 city commissioners from a group of 15 candidates. In how many ways can this be​ done

Verified Answer :

Anonymous Anonymous
  • 21-03-2017

This is a combination since the order doesn't matter
C(15, 6) = (15 14 13 12 11 10)/(6 5 4 3 2 1)
C(15, 6) = 3603600/720
C(15, 6) = 5005 different combinations of votes

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