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The chance of picking a 2 is 4/52 since there are four twos. If you don't replace it then there are 51 cards and 4 sevens so the chance of picking the 7 is 4/51.

The chances of doing both things is

(4/52)(4/51)=16/2652 or 4/663 which is about .006

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Q: What is the probability of picking a 2 from a standard 52 card deck not replacing it and then picking a 7?
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