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In: Statistics and Probability

A manufacturing company makes auto parts and sells them to auto dealers.


 A manufacturing company makes auto parts and sells them to auto dealers. Last week the company shipped 25 auto parts to a dealer. Later it found out that 5 of those parts were defective. By the time the company manager contacted the dealer 4 auto parts from that shipment had already been sold. What is the probability that 3 of those 4 parts were non-defective?


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