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Posted by on Tuesday, August 4, 2009 at 1:09pm.

Two cards are drawn without replacement from an ordinary
deck of 52 playing cards. What is the probability that
both are spades if the first card drawn was a spade?

*Did I do this right?

. 52 cards. 13 are spades. 1 picked is already a spade. That leaves 12 spades in the deck.
12/50=24%

  • Math - , Tuesday, August 4, 2009 at 2:41pm

    Almost there!
    After picking the first card, there are 51 cards left in the deck (without replacement), and there are 12 spades.

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