Mathematics
Mathematics, 30.03.2020 20:36, hollandhogenson

A sample of 1800 computer chips revealed that 69% of the chips fail in the first 1000 hours of their use. The company's promotional literature states that 71% 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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