Estimate the true proportion of jets
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A poll of 1700 randomly chosen students in grades 6 thru 8 was conducted as well as found that 53% result a statistic or a parameter? Explain?
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Inspection of a random sample of 28 American Airlines MD?80 aircraft showed that 17 needed repairs to fix a wiring problem that might compromise safety. (a) How large a sample would be needed to estimate the true proportion of jets with the wiring
A report states that 38% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 6% with 99% confidence?
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