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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, 189 had kids. Based

We wish to estimate what percent of adult residents in a certain county are parents. Out of 300 adult residents sampled, 189 had kids. Based on this, construct a 90% confidence interval for the proportion, p, of adult residents who are parents in this county. Give your answers as decimals, to three places. < p <

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