[wrong] [ot] crazy journal

[Karl]

So if I am making n decisions, and exactly five of them are a specific
decision, how many different total decision combinations result in that?

I think that the answer is combinations, nCr, but I'm really confused
around that.

Combinations says, if I put n things in a bag, and try out all the ways of
taking r of them out, and consider the same items in a different order to
be the same ....
Anyway I think it is permutations, not combinations ...
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