Question

How many different combinations of nine different carrots can be chosen from a bag of 20?











167,960










125,970










77,520










184,756
@iGreen

Answer 1

@dan815

Answer 2

I think you multiply \(9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1\).

Answer 3

Nvm, that's not right.

Answer 4

Oh, it's from a bag of 20.

Answer 5

I don't know. I never learned about combinations.

Answer 6

combination is choosing from n different object r objects.
C(n,r)=\(\large (_r^n)=\frac{n!}{(n-r)!r!}\)
Here n=20, r=9.

Answer 7

is this probablity