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Mathematics, 29.01.2022 09:10, lifeisgaming37
In a shipment of 22 smartphones, 2 are defective. How many ways can a quality control inspector randomly test 4 smartphones, of which 2 are defective?
(a) there are no restrictions on the order
(b) all the bands of each type must perform in a row
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Answers: 1
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In a shipment of 22 smartphones, 2 are defective. How many ways can a quality control inspector rand...
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