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Mathematics

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you have a standard deck of 52 cards. You pick one card from the deck and then, without putting the first card back, pick a second card. What is the probability that both cards will be 9's?

Answer :

londynnorth londynnorth

Today at 8:20 PM

4 nines total
52 total cards

you take one
say its a nine
dont replace it
Now their is 3 nines left
and 51 cards left

so it is 3
--------
51
answer is 3/51

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