[Solved] Out of 500 people sampled, 50 had kids. B

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Out of 500 people sampled, 50 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids.

Out of 500 people sampled, 50 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to four places

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