Question

You have 6 friends who want to go to a concert with you, but you only have room in your car for 2 of them. To avoid accusations of favoritism, you have your friends draw straws: There are 4 long and 2 short straws. How many possible pairs of friends can be chosen this way?

Answer 1

I would use the combination formula: C(n,k) = n!/ k! * (n - k)!
(6,2) 6 friends, 2 choices

Answer 2

choices 2 long, 2 short, 1 each