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Randomly selected portion of the population

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Vaccine was given to a randomly selected portion of the population. Assuming normal distribution, these were the results: 180 vaccinated and diseased, 2156 vaccinated and not diseased, 312 not vaccinated and diseased, 1908 not vaccinated and not diseased. Please determine a 90% confidence interval for the difference in the proportion who contracted the disease, between the non-vaccinated and the vaccinated and show all your work.

Reference no: EM132199744

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