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Questions and Answers
Given that one item is defective and the other is not, what is the probability that the defective item came from box A?
Given that one item is defective and the other is not, what is the probability that the defective item came from box A?
- $\frac{9}{40}$ (correct)
- $\frac{9}{19}$
- $\frac{3}{8}$
- $\frac{19}{40}$
If one item is defective and the other is not, what is the probability that the defective item came from box B?
If one item is defective and the other is not, what is the probability that the defective item came from box B?
- $\frac{3}{8}$
- $\frac{19}{40}$ (correct)
- $\frac{9}{19}$
- $\frac{9}{40}$
If one item is defective and the other is not, what is the probability that the defective item came from box A or box B?
If one item is defective and the other is not, what is the probability that the defective item came from box A or box B?
- $\frac{19}{40}$
- $\frac{9}{40}$
- $\frac{3}{8}$
- $\frac{9}{19}$ (correct)
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