easy · GMAT Quant
An operations manager monitors a production line where a specific defect occurs independently in 20 percent of all units.
If a quality control inspector selects two units at random for testing, what is the probability that neither unit contains the defect?
- (1)/(25)
- (4)/(25)
- (16)/(25)
- (9)/(25)
- (21)/(25)
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