Confidence interval (proportions)

A newsgroup is interested in constructing a 90% confidence interval for the proportion of all Americans who are in favor of a new Green initiative. 0f the 594 randomly selected Americans surveyed, 397 were in favor of the initiative. Round answers to 4 decimal places where possible. a. With 90% condence the proportion of all Americans who favor the new Green initiative is between and b. if many groups of 594 randomly selected Americans were surveyed, then a different condence interval would be produced from each group. About confidence intervals will contain the true population proportion Green initiative and about proportion. _ _ \\ percent of these '- of Americans who favor the percent will not contain the true population 0 Questionz 80/1 pubs 7399 We wish to estimate what percent of adult residents in a certain county are parents. Out of 400 adult residents sampled, 232 had kids. Based on this, construct a 95% 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.