Search found 3 matches
- by LaurenMichelle7
Sun Dec 12, 2010 10:18 pm- Forum: GMAT Math
- Topic: Coin toss possibilities - why doesn't anagram method work???
- Replies: 4
- Views: 2744
Thanks, I know that there are 8 possibilities from listing them out. My problem is that I just don't see where the flaw lies in using the nCr formula for this one. I need to correct this so it doesn't mess me up elsewhere. In theory, how would you use factorials to determine the number of possible o...
- by LaurenMichelle7
Sun Dec 12, 2010 8:25 pm- Forum: GMAT Math
- Topic: Coin toss possibilities - why doesn't anagram method work???
- Replies: 4
- Views: 2744
Coin toss possibilities - why doesn't anagram method work???
HELP! I thought I understood comb/perms but my entire thinking is stuck on this one concept - why doesnt the anagram or line method work for coin toss possibilities? EX: If I flip a coin 3 times, and want to know how many possible outcomes there are, why can I not use the anagram, HHHTTT? I know fro...
- by LaurenMichelle7
Sun Dec 12, 2010 4:04 pm- Forum: GMAT Math
- Topic: Coin toss possibilities - why doesn't anagram method work???
- Replies: 4
- Views: 2744