Question

A basketball coach was criticized in the newspaper for not trying out every combination of players. If the team roster has 12 players, how many 5-player combinations are possible? Please help I'm having a hard time with this problem!!! :(

Answer 1

12C5 = 12*11*10*9*8 / 1*2*3*4*5

Answer 2

12C5 ... 12! / [(12 - 5)! * 5!]

the built in windows calculator has a factorial (!) key