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A sample of 900900 computer chips revealed that 25%25% of the chips fail in the first 10001000 hours of their use. The company's promotional literature

A sample of 900900 computer chips revealed that 25%25% of the chips fail in the first 10001000 hours of their use. The company's promotional literature claimed that less than 28%28% fail in the first 10001000 hours of their use. Is there sufficient evidence at the 0.010.01 level to support the company's claim?

State the null and alternative hypotheses for the above scenario.

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