# MATH Prob.

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You are dealt two cards successively without replacement from a standard deck of 52 playing cards. Find the probability that both cards are black.

• MATH Prob. -

# of black cards/total cards * number of remaining black cards/remaining total cards.

This is an "and" relationship.

• MATH Prob. -

So if there are 26 black cards in a deck you would take 26/52*24/50 right??

• MATH Prob. -

you probability of picking the first card is right, but (since one black card has already been picked without replacement) the probability of picking the second black card is 25/51.

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