Question

help probability question? :)
http://gyazo.com/6e80977f53d9b8210346b04d8c1d87fd

Answer 1

answer is 4 over 6. Hope this helps. BTW remember me xD

Answer 2

yeah I do and no its not 4/6

Answer 3

what does the C stand for though

Answer 4

Try \[\large \dfrac{4C2*6C2}{10C4}\]

Answer 5

Choose

Answer 6

or Combination

Answer 7

am I plugging in something there though or no sorry

Answer 8

http://www.wolframalpha.com/input/?i=%28%284+choose+2%29%286+choose+2%29%29%2F%2810+choose+4%29

Answer 9

oh Im sorry I'm slow at math thank you

Answer 10

its also called binomial coefficient, all below notations are refer to same thing :

\[\large nCr~ = ~^nC_r = \binom{n}{r} = \dfrac{n!}{r!(n-r)!}\]