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January 31, 2015

January 31, 2015

Posted by **Kyle** on Tuesday, July 31, 2012 at 8:43pm.

- Math -
**MathMate**, Tuesday, July 31, 2012 at 9:17pmThe first three cards are irrelevant.

For the second draw, the

p=P(repeat at least once)

= 1-P(no repeat at all)

=1 - (37*36*35)/(40*39*38)

=211/988

Odds: p : (1-p) = 211/988: 777/988

= 211 : 777

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