A survey was conducted among 78 patients admitted to a hospital cardiac unit during a two-week period. The data of the survey are shown below. Let B equals the set of patients with high blood pressure. Let C equals the set of patients with high cholesterol levels. Let S equals the set of patients who smoke cigarettes. n (B) equals 36 n (B intersect S) equals 10 n (C) equals 34 n (B intersect C) equals 12 n (S) equals 30 n (B intersect C intersect S) equals 5 n[ (B intersect C) union (B intersect S) union (C intersect S) ] equals 21
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Home » Mathematics » A survey was conducted among 78 patients admitted to a hospital cardiac unit during a two-week period. The data of the survey are shown below. Let B equals the set of patients with high blood pressure.