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A random sample of 863 births in a state included 423 boys. Construct a 95% confidence interval estimate of the proportion of boys in all

A random sample of 863 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 O Do these sample results provide strong evidence against that belief? Construct a 95% confidence interval estimate of the proportion of boys in all births.

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