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In a double blind experiment in the year 1954, there were 33 vaccinated children who got polio out of 200745. 115 unvaccinated children got polio

In a "double blind" experiment in the year 1954, there were 33 vaccinated children who got polio out of 200745. 115 unvaccinated children got polio out of 201229. Using a 95% CI for the true difference in proportions. Assume conditions are met. And does the CI support the polio vaccine? Explain.

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