Mathematics, 16.09.2021 07:10 carls7853

A hardware manufacturer produces bolts used to assemble various machines. Suppose the average diameter of a simple random sample of 50 bolts is 5.11 mm with a margin of error of ± .014. a. Calculate a 95% confidence interval for the bolts.

b. If the machine is supposed to assemble 5 mm bolts, based on your confidence interval do we have evidence that the machine is malfunctioning?

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A hardware manufacturer produces bolts used to assemble various machines. Suppose the average diamet...