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OpenStudy (anonymous):
how many ways are there to select 12 people from 50 if 6 of the 50 must be in the group
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OpenStudy (btaylor):
so, you are really picking 6 out of 44?
OpenStudy (anonymous):
yeah
OpenStudy (anonymous):
i just dont understand how to get the answer :/
OpenStudy (btaylor):
44C6 = 7059052 \[nCr=\frac{n!}{r!(n-r!)} \rightarrow _{44} C _6 = 7059052\]
OpenStudy (anonymous):
how did you get that? can you explain it to me?
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