A 95% CI for p₁ − p₂ of (0.02, 0.10) supports
- A
p₁ = p₂
- Bcheck_circle
p₁ > p₂
- C
Cannot say
- D
p₁ < p₂
Explanation
Interval entirely positive → p₁ − p₂ > 0.
Confidence Intervals for the Difference of Two Proportions
AP Statistics· difficulty 4/5
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