Table shows the smoking habits of group college students., Ask an Expert

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Q1) Table shows the smoking habits of group college students.

Sex	Non-smoker	Regular Smoker	Heavy Smoker	Total
Man	135	41	5	181
Woman	187	21	12	220
Total	322	62	17	401

i) If student is selected at random, determine the probability of getting someone who is man or a woman.

ii) If a student is chosen at random, find the probability of getting someone who is a regular or heavy smoker.

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