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jmc

counting and probability junior

Problem

Two cards are dealt from a standard deck of 52 cards. What is the probability that the first card dealt is a and the second card dealt is a ?
Solution
Once a is dealt, there are only 51 cards left in the deck, so the probability of the second card being a is , not Therefore, the probability of both cards being the required suits is
Final answer
\frac{13}{204}