For item 11 and 12. In an experiment to study the dependence of hypertension on smoking habits, the following data were collected on 180 individuals infected by Covid 19 virus: Non Moderate Heavy Smokers Smokers Smokers Hypertension 21 36 30 No hypertension 48 26 19 If one of these individuals is selected at random, 11. Find the probability that the person is experiencing hypertension. 12. Find the probability that the person is a nonsmoker and with no hypertension.

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