Probability There are 52 cars in a deck.

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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?

Jan 23rd, 2015

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%


Jan 23rd, 2015

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Jan 23rd, 2015
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