A disk drive manufacturer has a defect rate of less than 1.5% with 98% confidence. A quality assurance team samples 1000 disk drives and finds 14 defective units. Which action should the team recommend?

A disk drive manufacturer has a defect rate of less than 1.5% with 98% confidence. A quality assurance team samples 1000 disk drives and finds 14 defective units. Which action should the team recommend?
A . The manufacturing process is functioning properly and no further action is required
B . A larger sample size should be taken to determine if the plant is operating correctly
C . A smaller sample size should be taken to determine if the plant is operating correctly
D . There is a flaw in the quality assurance process and the sample should be repeated

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Answer: A