We wish to estimate what percent of adult residents in a certain county are parents. Out of 300 adult residents sampled, 45 had kids. Based on this, construct a 99% confidence interval for the proportion p of adult residents who are parents in this county.

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We wish to estimate what percent of adult residents in a certain county are parents. Out of 300 adult residents sampled, 45 had kids. Based on this, construct a 99% confidence interval for the proportion p of adult residents who are parents in this county.

Express your answer in tri-inequality form. Give your answers as decimals, to three places.

< p < Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places.

p = ±

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