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

User Shahaf
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1 Answer

6 votes
the probability of picking an even card the first time was 5/10, now that you have 9 cards the probability went down to 4/9.
User Scottrakes
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