8.3. Every year, a large-scale poll of college freshmen conducted by the Higher Education Research Institute at UCLA asks their opinions about a variety of issues. In 2002, 46% of men and 35% of women in the survey of 283,000 college freshmen indicated support for legalization of marijuana.

(a) If results for the population of college freshmen were similar to these, would gender and opinion about legalizing marijuana be independent, or dependent?

(b) Display hypothetical population percentages in a contingency table for which these variables would be independent.