36. 2. In an experiment to study the relationship between hyperten- sion and smo

Question

36. 2. In an experiment to study the relationship between hyperten- sion and smoking habits, the following data are collected for 180 Nonsmoker Moderate Smoker Heavy Smoker individuals: H 21 30 NH 48 26 19 where H and NH stand for hypertension and no hypertension, respectively. One of these individuals is selected at random. a. Find the probability that the person is experiencing hyperten- sion, given that the person is a heavy smoker. b. Find the probability that the person is a nonsmoker, given that the person is experiencing no hypertension.

Explanation / Answer

a) probabilty of hypertension given heavy smoker =30/(19+30)=0.6122

b) probabilty of non smoker given no hypertension =48/(48+26+19)=0.5161

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