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A sample of 1600 computer chips revealed that 47% of the chips fail in the first...

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Basic Math

A sample of 1600 computer chips revealed that 47% of the chipsfail in the first 1000 hours of their use. The company'spromotional literature states that 44% of the chips fail in thefirst 1000 hours of their use. The quality control manager wants totest the claim that the actual percentage that fail is differentfrom the stated percentage. Is there enough evidence at the 0.01level to support the manager's claim?

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Answer In the given question we construct our null andalternative hypothesis as H0 P 044 vs Ha P not equal to 044where P is the unknown population proportion of the chips failingin the    See Answer
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