A sample of 900 computer chips revealed that 66% of the chips fail in the first 1000 hours of their use. The c

Question:A sample of 900 computer chips revealed that 66% of the chips fail in the first 1000 hours of their use. The company's promotional literature claimed that under 69% fail in the first 1000 hours of their use. Is there sufficient evidence at the 0.01 level to support the company's claim.
what are the Hypotheses Ho and Ha?

Answers:
Yes, because 66 is less than 69

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