Functional performance testing · Question 47 of 60
For the criterion "98% accuracy with a ±4% margin of error at a 95% confidence level", 601 test cases were planned and all executed, 580 of them passed. Is the criterion met?
1 answer is correct. Hard
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Answer
- B No, to meet the 98% target at least 589 of the 601 cases must pass
Explanation
The criterion requires 601 test cases, of which at least 589 must pass to meet the target accuracy of 98%. With 580 passed cases, the observed accuracy is about 96.5% and therefore below the target.