A group of 500 people were asked to cast votes regarding a particular political issue. The following frequencies occurred.

Favor Undecided Oppose Totals

Female 180 80 40 300

Male 150 20 30 200

Totals 330 100 70 500

Your task is to determine if voters' opinions are independent or dependent of gender. Set up hypotheses; perform a test for independence; analyze all relevant aspects of your conclusion.