GENERAL INSTRUCTION. Answer the following problems and show your complete solution including the formula used in the problem. MAGIC is strictly prohibited! 4. In an experiment to study the relationship of hypertension and smoking habits, the following data are collected for 180 individuals: Nonsmokers Moderate Smokers Heayy Smokers H 21 36 30 NH 48 26 19 where H and NH in the table stand for Hypertension and Nonhypertension, respectively. If one of these individuals is selected at random, nd 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 no hypertension