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21 Question 21 We wish to estimate what percent of adult residents in a certain county are parents. Out of 500 adult residents sampled, 70

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Question 21 We wish to estimate what percent of adult residents in a certain county are parents. Out of 500 adult residents sampled, 70 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.

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