SOLUTION: In a shipment of 19 smartphones, 3 are defective. How many ways can a quality control inspector randomly test 6 smartphones, of which 3 are defective?

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Question 1132948: In a shipment of 19 smartphones, 3 are defective. How many ways can a quality control inspector randomly test 6 smartphones, of which 3 are defective?
Answer by ikleyn(52778) About Me  (Show Source):
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