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###### A recent study of 300 patients found that of 100 alcoholic patients 87 had elevated cholesterol levels; and 200 non-alcoholic patients; 43 had elevated cholesterol levelsa) If a patient is selected at random, find the probability that the patient is the following an alcoholic with elevated cholesterol level: non-alcoholic. a non-alcoholic with non-elevated cholesterol level:Are the events "alcoholic" and "non-elevated cholesterol levels" independent? Are they mutually exc

A recent study of 300 patients found that of 100 alcoholic patients 87 had elevated cholesterol levels; and 200 non-alcoholic patients; 43 had elevated cholesterol levels a) If a patient is selected at random, find the probability that the patient is the following an alcoholic with elevated cholesterol level: non-alcoholic. a non-alcoholic with non-elevated cholesterol level: Are the events "alcoholic" and "non-elevated cholesterol levels" independent? Are they mutually exclusive? Explain why or why not.

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