For the same sample, two CIs are computed: 95% and 99%.
Which is wider?
- Acheck_circle
99% CI
- B
Cannot tell
- C
95% CI
- D
Equal width
Explanation
Higher confidence requires a larger z*; thus the 99% CI is wider.
Constructing a Confidence Interval for a Population Proportion
AP Statistics· difficulty 2/5
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