Manufacturer claims defect rate is at most 2%.
To test the manufacturer's claim, set:
- A
H₀: p > 0.02, Hₐ: p ≤ 0.02
- B
H₀: p = 0.02, Hₐ: p < 0.02
- C
H₀: p̂ = 0.02, Hₐ: p̂ > 0.02
- Dcheck_circle
H₀: p = 0.02, Hₐ: p > 0.02
Explanation
To test if defect rate exceeds 2% (manufacturer's max claim violated), Hₐ: p > 0.02.