Numerical Test Question 99 – Expected record recovery
Scenario
A data recovery exercise estimates the proportion of records in four systems that are corrupted. Only a proportion of those corrupted records is expected to be restored successfully.
| System | Records | Estimated corrupted | Expected recovery of corrupted records |
|---|---|---|---|
| A | 500,000 | 4% | 75% |
| B | 320,000 | 6% | 80% |
| C | 450,000 | 3% | 90% |
| D | 280,000 | 5% | 70% |
Question
How many records are expected to be restored?
- A. 54,150
- B. 52,310
- C. 49,310
- D. 51,610
Click to reveal the answer
Correct answer: B. 52,310
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