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A sample of 1500 computer chips revealed that 56% of the chips fail in the first 1000 hours of their use. The company's promotional literature

A sample of 1500

computer chips revealed that 56%

of the chips fail in the first 1000

hours of their use. The company's promotional literature states that 53%

of the chips fail in the first 1000

hours of their use. The quality control manager wants to test the claim that the actual percentage that fail is different from the stated percentage. State the null and alternative hypotheses.

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