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OpenStudy (anonymous):
nCn is equal to one: a)always b)sometimes c)never
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OpenStudy (kinggeorge):
\[nCn=\frac{n!}{n!(n-n)!}=\frac{n!}{n!}\]When is this 1?
OpenStudy (anonymous):
Umm? Always?
OpenStudy (kinggeorge):
yup :)
OpenStudy (anonymous):
Ok! Thanks!
OpenStudy (kinggeorge):
You're welcome.
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OpenStudy (anonymous):
nCx can also be read, "number, n, ways of Choosing x things." - How many ways can you take everything? Only one.
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