We wish to estimate what percent of adult residents in a certain county are parents. Out of 400 adult residents sampled, 184 had kids. Based on this, construct a 99% confidence interval for the...

Extracted text: We wish to estimate what percent of adult residents in a certain county are parents. Out of 400 adult residents sampled, 184 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.