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ShortTerm Actuarial Math Old Exam C Forum 

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#2




Where did you come across that? In this exam you should only come across integer binomial coefficients, at least in my experience. In any case,
You can use the gamma function or just remember that and . Last edited by Abelian Grape; 01132015 at 09:23 PM.. 
#3




Quote:
. I doubt the Gamma function is involved, since the final answer is very "clean."
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#4




The gamma's cancel in the numerator and denominator.

#5




Lemme see.
. Okay, so it does. Although, I would not suggest doing it this way on the exam, since the formula can be easily figured out from the C tables.
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#7




Yep, you're good there  but I wouldn't bother recognizing that formula. If you need it, 99% chance you would use it for the negative binomial probability function, and it's right in the C tables.
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