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A sample of 1300 computer chips revealed that 39 of the chips fail in the...

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A sample of 1300 computer chips revealed that 39 of the chips fail in the first 1000 hours of their use The company s promotional literature claimed that less than 42 fail in the first 1000 hours of their use Is there sufficient evidence at the 0 01 level to support the company s claim tate the null and alternative hypotheses for the above scenario swer He Tables Key Keyboard Sh

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To test the companys claim that less than 42 chips fail in the first 1000 hours we need to set up the null and alternative hypotheses Null Hypothesis H0 The null hypothesis is that the proportion of chips that fail in the first 1000 hours is equal to or greater than the claimed proportion    See Answer
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