luisrosekk1 luisrosekk1

14-12-2022
Mathematics

Answered

A sample of 1200 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 0.02 level to support the company's claim?

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