SOLUTION: Sarah has a deck of 52 cards and ramdomly selects 2. What is the probability that she will pick the same cards?
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Question 619722: Sarah has a deck of 52 cards and ramdomly selects 2. What is the probability that she will pick the same cards? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Sarah has a deck of 52 cards and ramdomly selects 2. What is the probability that she will pick the same cards?
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# of ways to succeed:
1st: pick a card type: 13 ways
2nd: pick 2 of that card: 4C2 = 6 ways
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# of random results:
Pick 2 cards from the deck: 52C2
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P(2 of the same card type) = (13*6)/52C2 = 78/1326 = 1/17
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Cheers,
Stan H.
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