Test the claim that the vaccine is effective

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Reference no: EM13150638

27 of 8,500 people vaccinated against a certain disease later developed the disease. 38 of 10,000 people vaccinated with a placebo later developed the disease. Test the claim that the vaccine is effective in lowering the incidence of the disease. Use a significance level of 0.01.

Reference no: EM13150638

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