Question: A sample of1100computer chips revealed that30%of the chips do not fail in the first1000hours of their use. The company's promotional literature states that29%of the chips
A sample of1100computer chips revealed that30%of the chips do not fail in the first1000hours of their use. The company's promotional literature states that29%of the chips do not fail in the first1000hours of their use. The quality control manager wants to test the claim that the actual percentage that do not fail is more than the stated percentage. Is there enough evidence at the0.10level to support the manager's claim?
Step 1 of 6:State the null and alternative hypotheses.
Step 2 of 6:Find the value of the test statistic. Round your answer to two decimal places.
Step 3 of 6:Specify if the test is one-tailed or two-tailed.
Step 4 of 6:Determine the decision rule for rejecting the null hypothesis,Ho.
Reject Ho if z> ?
Step 5 of 6:Make the decision to reject or fail to reject the null hypothesis.
Step 6 of 6:State the conclusion of the hypothesis test.
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