A sample of 1700 computer chips revealed that 75 % of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 74 % of the chips do not fail in the first 1000 hours of their use. The quality control manager wants to test the claim that the actual percentage that do not fail is over the stated percentage. Is there enough evidence at the 0.02 level to support the manager's claim?
State the null and alternative hypotheses.



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