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Two cards are dealt from a standard deck. What is the probability that they form a pair?

A pair consists of two cards of the same rank.

 May 10, 2020
 #1
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The first card can be any card:  52/52.

The second card must be one of the three that remains from that rank:  3/51.

 

The probability is:  52/52 x 3/51                       (which can be reduced)

 May 10, 2020

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