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Mathematics 7 Online
OpenStudy (anonymous):

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? in fraction form

OpenStudy (studio-games):

Ok lemme see here.

OpenStudy (studio-games):

40% chance so it would be 4/10

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