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A sample of 1600 computer chips revealed that 64% of the chips do not fail in the first 1000 hours of their use. The company's

A sample of 1600 computer chips revealed that 64% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature claimed that above 61% do not fail in the first 1000 hours of their use. Is there sufficient evidence at the 0.02 level to support the company's claim?

State the null and alternative hypotheses for the above scenario.

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