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Difference between the proportion of elderly

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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±0.067
  • 0.17±0.0730.17±0.073
  • 0.17±0.0960.17±0.096
  • 0.55±0.067

Reference no: EM131061316

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