Mathematics, 17.10.2019 14:20, studyoverload

Ashipment of 12 microwave ovens contains 3 defective units. a vending company has ordered 4 of these units, and because all are packaged identically, the selection will be at random. what is the probability that at least 2 units are good?

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Ashipment of 12 microwave ovens contains 3 defective units. a vending company has ordered 4 of these...