(Solution Library) A manufacturer of computer hard drives claims a failure rate of 5% or less during the last three years of operation. For a sample of 200
Question: 14. A manufacturer of computer hard drives claims a failure rate of 5% or less during the last three years of operation. For a sample of 200 drives, 15 failed during the first three years of operation. Can we conclude at the .01 level that the claim is wrong and the failure rate is over 5%?
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