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A random sample of 860 births in a state included 426 boys. Construct a 95% confidence interval estimate of the proportion of boys in all

A random sample of

860

births in a state included

426

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

0.512.

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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