Test H₀: p = 0.20 with sample n = 100, p̂ = 0.25.
What is the standard error used in the test?
- A
0.0433
- B
0.020
- C
0.050
- Dcheck_circle
0.040
Explanation
SE₀ uses p₀: sqrt(0.20·0.80/100) = sqrt(0.0016) = 0.040.
Tests for the Difference of Two Proportions
AP Statistics· difficulty 3/5
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