Question

what is a combination?

Answer 1

What I forget all the time to open by case:-)

Answer 2

lol

Answer 3

Combination is Combination.

Answer 4

Selection where order is not important.

Answer 5

number of ways of picking unordered outcome from n possibilities

Answer 6

Example, lets say i have a box full of 10 different stuffed animals, and i want to pick 3 to put on my desk.
a group of 3 animals is a combination.

Answer 7

the order on my combination is important!

Answer 8

The solution would be 10C3, where:
\[nCr = \left(\begin{matrix}n \\ r\end{matrix}\right) = \frac{n!}{r!(n-r)!}\]

Answer 9

oh
I think I get it

Answer 10

Something like "If I have 4 pants and 3 shirts, how many combinations of shirts and pants can I wear?"

The answer would be 12 (4*3).