A sample of 1100 computer chips revealed that 76% of the chips fail in the first 1000 hours of their use. The company's promotional literature claimed that less than 79% fail in the first 1000 hours of their use. Is there sufficient evidence at the 0.02 level to support the company's claim? State the null and alternative hypotheses for the above scenario.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A sample of 1100 computer chips revealed that 76% of the chips fail in the first 1000 hours of their use. The company's promotional literature claimed that less than
79% fail in the first 1000 hours of their use. Is there sufficient evidence at the 0.02 level to support the company's claim?
State the null and alternative hypotheses for the above scenario.
Transcribed Image Text:A sample of 1100 computer chips revealed that 76% of the chips fail in the first 1000 hours of their use. The company's promotional literature claimed that less than 79% fail in the first 1000 hours of their use. Is there sufficient evidence at the 0.02 level to support the company's claim? State the null and alternative hypotheses for the above scenario.
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