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A sample of 1500 computer...

A sample of 1500 computer chips revealed that 50% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature claimed that over 47% do not fail in the first 1000 hours of their use. Is there sufficient evidence at the 0.10 level to support the company's claim?State the null and alternative hypotheses for the above scenario.(is there excel for this)

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