Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

Inspection of a random sample of 23 aircraft showed that 18 needed repairs to fi

ID: 3384131 • Letter: I

Question

Inspection of a random sample of 23 aircraft showed that 18 needed repairs to fix a wiring problem that might compromise safety.

How large a sample would be needed to estimate the true proportion of jets with the wiring problem, with 99 percent confidence and an error of ± 6 percent?

Inspection of a random sample of 23 aircraft showed that 18 needed repairs to fix a wiring problem that might compromise safety.

How large a sample would be needed to estimate the true proportion of jets with the wiring problem, with 99 percent confidence and an error of ± 6 percent?

Explanation / Answer

Inspection of a random sample of 23 aircraft showed that 18 needed repairs to fi