Question

Which of the following expressions would give the number of ways to choose a group of 7 from a group of 15?

Answer 1

C 15! / 7!8!

Explanation:

I'M RIGHT... TRUST ME...

Answer 2

Explanation:

You are implying there are choices. You should list them, please.

15 C 7

15!/(8! * (15 - 8)!)

is another. For any others, we need the list.