j82615tajansley944 j82615tajansley944

25-05-2017
Mathematics

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10 cards are numbered from 1 to 10 and placed in a box. One card is selected at random and is not replaced. Another card is then randomly selected. What is the probability of selecting two prime numbers?

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Аноним Аноним

25-05-2017

answer is 8, and 2 hope this helps

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