jazz589729
25.02.2020 •
Mathematics
In an experiment to study the relationship to studyhypertension and smoking habits, the following data are collectedfor 180 individuals:
Nonsmokers modsmokers Heavysmokers
H 21 36 30
NH 48 26 19
Where H and NH in a table stand for hypertension andnonhypertension, respectively. If one of these individuals is isselected at random, find the probability that the person
(a) experiencing hypertension, given that the person is a heavy smoker
(b) a nonsmoker given that the person is experiencing no hypertension.
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Ответ:
a) 0.612, b) 0.52.
Step-by-step explanation:
Since we have given that
Nonsmokers mod smokers Heavy smokers Total
H 21 36 30 87
NH 48 26 19 93
Total 69 62 49 180
Here, H stands for Hypertension
NH stands for Non hypertension
(a) experiencing hypertension, given that the person is a heavy smoker
P(H|Heavy smoker) =
(b) a nonsmoker given that the person is experiencing no hypertension.
P(Non smoker | No Hypertension) =
Hence, a) 0.612, b) 0.52.
Ответ: