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

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answerhappygod
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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,

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We wish to estimate what percent of adult residents in a certaincounty are parents. Out of 500 adult residents sampled, 160 hadkids. Based on this, construct a 90% confidence interval for theproportion, p, of adult residents who are parents in this county.Give your answers as decimals, to three places.
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