anonymous
  • anonymous
can someone help me pleez.... in how many ways can a subcommittee of 5 ppl be chosen from a Congressional committee of 18 ppl?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
18nCr5 = Answer. I believe.
anonymous
  • anonymous
can u explain a little more plz
anonymous
  • anonymous
Because the order doesn't matter in this problem, that's why we use combination instead of permutation. The equation for combination is nCr. N= total amount of people. R= how many people you actually want.

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anonymous
  • anonymous
yes and 18nCr5 is calculated as \[\frac{n!}{r!*(n-r)!}\]
anonymous
  • anonymous
okay i get it. :}

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