Question: The following data come from a random sample of 459 French men who were asked their smoking status and their educational level. Smoking Status

The following data come from a random sample of 459 French men who were asked their smoking status and their educational level. Smoking Status Nonsmoker Former Moderate Heavy Education Primary School Secondary School University 56 54 41 36 37 43 27 32 53 28 36 16 (e) Find the percentage of men having primary school education who are former smokers. Re- interpret this result as a probability. (f) Decide whether the events "A French man is a moderate smoker" and "A French man finished University" are independent. (g) Find, in two different ways, the conditional probability that a French man has secondary school education given that he has never smoked. (h) Find, in two different ways, the conditional probability that a French man is a non smoker knowing that he has secondary school education.

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