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In a shipment of 20 computers, 3 are defective. Tree computers are randomly selected and tested. What is the probability that all three are defective if the first and second one…

In a shipment of 20 computers, 3 are defective. Tree computers are randomly selected and tested. What is the probability that all three are defective if the first and second one…
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In a shipment of 20 computers, 3 are defective. Tree computers are randomly selected and tested. What is the probability that all three are defective if the first and second ones are replaced after being tested ? ( 20 POINTS )

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User Niru
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1 Answer

6 votes
The chances of finding all three defective are 1 / 180
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User Liam Hanninen
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