General Studies · Statistical Inference
The 95% confidence interval for the average age of accidents in a city during last year, for a sample of size 100 with a mean age of 34.25 from a population with a standard deviation of 10, is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[31.92, 36.58]
- 2[32.615, 35.895]
- 3[32.29, 36.58]
- 4[32.29, 36.21]✓
Correct answer
[32.29, 36.21]
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