Mathematics · Probability
An item is tested on a device for its defectiveness. The probability that such an item is defective is 0.3. The device gives accurate result in 8 out of 10 such tests. If the device reports that an item tested is not defective, th en the prob ability that it is actually defective is
- 1451
- 2331✓
- 3329
- 4215
Correct answer
331
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