In an experiment to study the relationship of hypertension and smoking habits, the following data are collected for 180 individuals: where H and NH in the table stand for Hypertension and Non-hypertension, respectively. If one of these individuals is selected at random, find the probability that the person is(a) Experiencing hypertension, given that the person is a heavy smoker;(b) A nonsmoker, given that the person is experiencing nohypertension.

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Moderate Smokers Heavy Smokers Nonsmokers 30 19 36 21 48 NH 26