There are 52 cars in a deck. Cards are shuffled and the top 2 cards are
placed face down
Whats da probability that the 1st card is an ace?
Whats da probability that the 2nd card is also an ace(both an ace)
Whats da probability that exactly 1 is an ace?
52 cards in a deck.
Probability that 1st card is an ace 4/52 or 1/13.
Probability that 2nd card is an also an ace is 3/51
Probability that either one is an ace is 4/52 (all four aces in the deck) * 4/51 (given the first card drawn was not an ace) = 16/2652 or 0.60%
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