(Solution Download) The popular disinfectant Listerine is named after Joseph Lister a


The popular disinfectant Listerine is named after Joseph Lister, a British physician who pioneered the use of antiseptics. Lister conjectured that human infections might have an organic origin and thus could be prevented by using a disinfectant. Over a period of several years, he performed 75 amputations: 40 using carbolic acid as a disinfectant and 35 without any disinfectant. The following results were obtained.

The popular disinfectant Listerine is named after Joseph Lister, a
Are the survival rates significantly different between the two groups? Test at ? = .05 and calculate the P-value.

 







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