Sample of n = 1000, p̂ = 0.10.
What is the 95% CI for p?
- A
(0.0500, 0.1500)
- B
(0.0700, 0.1300)
- C
(0.0900, 0.1100)
- Dcheck_circle
(0.0814, 0.1186)
Explanation
SE = sqrt(0.1·0.9/1000) ≈ 0.00949. ME = 1.96·0.00949 ≈ 0.0186. CI ≈ (0.0814, 0.1186).
Constructing a Confidence Interval for a Population Proportion
AP Statistics· difficulty 2/5
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