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Question: Two drugs were administered to two groups of randomly assigned 60 and 40 patients, respectively, to cure the same disease. The following table gives information about the number of patients who were cured and not cured by each of the two drugs.

                   Cured            Not Cured

Drug I             44                   16

Drug II            18                   22

Test at the 1% significance level whether or not the two drugs are similar in curing and not curing the patients.

Statistics and Probability, Statistics

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