raleung2
In how many ways can a club with 9 members choose a twomember subcommittee? Work please!! This is a combination.



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samjordon
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its 9C2

Hero
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I thought @samjordon was going to give an explanation along with giving an answer, but I guess not.

samjordon
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9!/(2!(92)!)

Hero
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I guess that is your idea of an explanation.

samjordon
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it's just a basic probability formula for choosing n objects out of total k objects

raleung2
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so whats the answer?

Hero
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Well, as far as an explanation, that's a start, but you didn't even give a general formula.

raleung2
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whats the answer

Hero
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@raleung2 , what's sad is an answer was given, but even sadder that you didn't recognize it.

raleung2
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9C2? whats that?

raleung2
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what is the c?

Hero
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This is proof that giving answers alone is not helpful.

samjordon
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Hero is stuck up and a snob

Hero
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No, that's not it. I just don't like when people give answers without explanations.

Hero
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Especially when it is stated directly in the CoC exactly what not to do.