SOLUTION: there are 20 computers and 3 are defective. Three are removed and tested. What is the probability that none are defective if 2 are not replaced after being tested?

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Question 470928: there are 20 computers and 3 are defective. Three are removed and tested. What is the probability that none are defective if 2 are not replaced after being tested?
Answer by chips(2)   (Show Source): You can put this solution on YOUR website!
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