Parry Wyatt
08/10/2023 · Junior High School
A random sample of 860 births in a state included 423 boys. Construct a \( 95 \% \) confidence interval estimate of the proportion of boys in all births. It is believed that among all births, the proportion of boys is 0.513 . Do these sample results provide strong evidence against that belief? Construct a \( 95 \% \) confidence interval estimate of the proportion of boys in all births. \( .458
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The \(95\%\) confidence interval estimate is \(0.4566 < p < 0.5134\). Since 0.513 is not within this interval, there is strong evidence against the belief that the proportion of boys in all births is 0.513. Correct answer: C.
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