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August 1, 2014

August 1, 2014

Posted by **rency** on Tuesday, October 27, 2009 at 11:47pm.

- math -
**Dean**, Tuesday, October 27, 2009 at 11:50pmTheres 26 black cards in a deck of cards.

Half of the deck of cards will remain red/black.

1/2 of the cards are shown as black cards.

- math -
**Reiny**, Tuesday, October 27, 2009 at 11:53pmprob of first card black = 13/52

prob of second card also black = 12/51

so prob of 2 black cards

= (13/52)(12/51)

= 1/17

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