medium · GMAT Quant
A quality inspector examines a batch of 5 components, two of which are defective and three of which are non-defective.
If the inspector tests the components one by one in a random order without replacement, and the first component tested is non-defective, what is the probability that the second component tested is defective?
- dfrac15
- dfrac14
- dfrac12
- dfrac25
- dfrac34
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