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A sample of 1100 computer chips revealed that 58% of the chips fail in the first...

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Statistics

A sample of 1100 computer chips revealed that 58% of the chipsfail in the first 1000 hours of their use. The company'spromotional literature claimed that less than 61% fail in the first1000 hours of their use. Is there sufficient evidence at the 0.01level to support the company's claim?

State the null and alternative hypotheses for the abovescenario.

Answer & Explanation Solved by verified expert
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Solution Here we have to use one sample z test for the population proportion The null and alternative hypotheses for this test are given as below Null hypothesis H0    See Answer
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