Question

Joseph Lister (1827-1912) was one of the first to believe in Pasteur’s germ theory of infection. He experimented with using carbolic acid to disinfect operating rooms during amputations. When carbolic acid was used, 34/40 lived. When it wasn’t used, 19/35 patients lived. Let C = the event that carbolic acid was used and s = the event that the person survived. a. express the given information in symbolic form (in terms of C and S) and in a two-way table b. find the probability that a randomly selected patient: i. died even though carbolic acid was used ii. who died was given carbolic acid iii. was given carbolic acid and died iv. was given carbolic acid or died c. Are events C and S disjoint? Independent? Explain.

Answer 1

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