Mathematics, 01.05.2021 01:00, 09daishagreen

A sample of 1300 computer chips revealed that 50% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 47% 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 different from the stated percentage. Make the decision to reject or fail to reject the null hypothesis at the 0.01 level.

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A sample of 1300 computer chips revealed that 50% of the chips do not fail in the first 1000 hours o...