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A computer manufacturer is considering the use of a new process for assembling wiring harnesses.It tested 160 of these harnesses assembled by the new process,

A computer manufacturer is considering the use of a new process for assembling wiring harnesses.It tested 160 of these harnesses assembled by the new process, and found 4 defects. It would like to offer a warranty that its process will yield a very high reliability.Conduct a hypothesis test at the 5% significance level that the manufacturer is achieving at least 98 percent reliability. What do you conclude?Is this a viable claim?

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