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02-01-2018
Mathematics

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Only four people can serve on a committee. how many committees can be selected from a group of 6 people

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02-01-2018

15 committees can be selected from a group of 6 people: 6×5×4×3/(4×3×2×1)=15. This the same as considering 2 people who aren’t selected: 6×5/(2×1)=15.

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