- Joined
- Jun 7, 2006
- Messages
- 127
- Reaction score
- 0
- Points
- 0
- Pre-Dental
Advertisement - Members don't see this ad
Does anyone have any trick for those probability questions that deal with permutations and combinations? I can never figure out which one to do (i.e figuring out if order matters). Some of the questions i saw in topscore and dat achiever were foreign to me.
