Multiple Choice
A sample of components made by a factory in China shows that 6 out of a sample of 50 were found to be faulty. What is the width of a 95% confidence interval (z = 1.96) for the defect rate (2 decimal places) ?
A) 0.12 ± 0.06
B) 0.12 ± 0.09
C) 0.12 ± 0.12
D) 0.12 ± 0.15
Correct Answer:
Verified
Correct Answer:
Verified
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