A manufacturing assembly plant wants parts shipments that are no more than 2% defective. They...

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A manufacturing assembly plant wants parts shipments that are no more than 2% defective. They have been ordering from Parts is Parts which has been meeting the 2% requirement. A new parts supplier, Better Parts, says they can maintain that rate or lower. As a test, the company purchases a random sample of parts from Better Parts. Which hypotheses should they use?

A) H0: p = 0.02 B) H0: p = 0.02 C) H0: p 0.02 D) H0: p < 0.02 E) H0: p = 0.02

Ha: p 0.02 Ha: p < 0.02 Ha: p = 0.02 Ha: p = 0.02 Ha: p > 0.02

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