Question: Question 3 To find whether a certain vaccination prevents a certain disease or not, an experiment was conducted and the adjoining figures in various classes

Question 3 To find whether a certain vaccination prevents a certain disease or not, an experiment was conducted and the adjoining figures in various classes were obtained, A showing vaccination and B attacked by the disease. A B 69 10 91 30 (a) Calculate the relative risk. (b ) Calculate the 95% confidence interval for population relative risk and interpret its value. (c) Calculate the absolute risk. (d) Calculate the 95% confidence interval for absolute risk and interpret its value

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