(a) Find the number of these patients that had either high blood pressure or high cholesterol levels, but not both. The number of patients that had high blood pressure or high cholesterol levels, but not both, is 41

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A survey was conducted among 68 patients admitted to a hospital cardiac unit during a two-week period. The data of
the survey are shown below.
Let B= the set of patients with high blood
pressure.
Let C= the set of patients with high
cholesterol levels.
Let S = the set of patients who smoke
cigarettes.
Answer parts (a)-(d) below.
n(BNS) = 11
n(B n C) = 11
n(B ncns) = 6
n[(B nC) U (BNS) u (CNS)] = 20
n(B) = 30
n(C) = 28
n(S) = 31
...
(a) Find the number of these patients that had either high blood pressure or high cholesterol levels, but not both.
The number of patients that had high blood pressure or high cholesterol levels, but not both, is 41
A
Transcribed Image Text:A survey was conducted among 68 patients admitted to a hospital cardiac unit during a two-week period. The data of the survey are shown below. Let B= the set of patients with high blood pressure. Let C= the set of patients with high cholesterol levels. Let S = the set of patients who smoke cigarettes. Answer parts (a)-(d) below. n(BNS) = 11 n(B n C) = 11 n(B ncns) = 6 n[(B nC) U (BNS) u (CNS)] = 20 n(B) = 30 n(C) = 28 n(S) = 31 ... (a) Find the number of these patients that had either high blood pressure or high cholesterol levels, but not both. The number of patients that had high blood pressure or high cholesterol levels, but not both, is 41 A
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