The following table represents a printout of the results of a study of smokers a

Question

The following table represents a printout of the results of a study of smokers and alcoholics. The variables are: smoker (yes/no) versus alcoholic (yes/no). The ample consists of 1000 adults in the U.S. The chi-square statistic is designated as 'Chi-Sq." "smoker" is designated as category 1 on the left of the table, and "non-smoker" is designated as category 2 on the left of the table. Are the variables categorical or measurement variables? What percent of smokers in the study are alcoholics? What percent of non-smokers are alcoholics? What percent of alcoholics are smokers?

Explanation / Answer

We have to find percent of alcoholic are smokers.

Total number of alcoholic are 40

number of smoker who are alcoholic = 30

So percentage of alcoholic are smokers = 30 / 40 = 0.75 = 75%

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