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In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers (1, 2, 3, 4, 5, 6, and 7). Among all the cards of each color, there is exactly one card labeled with each number. The cards in Ms. Q's deck are shown below 


Yunseol draws five cards from Ms. Q's deck. What is the probability that exactly two cards have the same number?

 Jun 30, 2023
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The probability is 47/250.

 Jul 3, 2023

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