Question: A quality engineer takes a random sample of 100 steel rods from a days production, and finds that 92 of them meet specifications. a. Estimate

A quality engineer takes a random sample of 100 steel rods from a day’s production, and finds that 92 of them meet specifications.

a. Estimate the proportion of that day’s production that meets specifications, and find the uncertainty in the estimate.

b. Estimate the number of rods that must be sampled to reduce the uncertainty to 1%.

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