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We wish to estimate what percent of adult residents in a certain county are parents. Out of 500 adult residents sampled, 375 had kids.
We wish to estimate what percent of adult residents in a certain county are parents. Out of 500 adult residents sampled, 375 had kids. Based on this, construct a 90% 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. Next Question
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Cambridge IGCSE And O Level Additional Mathematics
Authors: Val Hanrahan, Jeanette Powell
1st Edition
1510421645, 978-1510421646
