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In a random sample of 300 elderly men, 65% were married

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January 13th, 2018

In a random sample of 300 elderly men, 65% were married, while in a random sample of 400 elderly women, 48% were married. Which of the following is the 99% confidence interval estimate for the difference between the proportion of elderly men and the proportion of elderly women who are married?0.56±0.0670.56±0.0670.17±0.0730.17±0.0730.17±0.0960.17±0.0960.55±0.067

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