In the State of Wisconsin, 20% of residents purchase fishing licenses. For the residents who do purchase a fishing license in a year, 60% purchase a hunting license in the same year. For the residents...

Extracted text: In the State of Wisconsin, 20% of residents purchase fishing licenses. For the residents who do purchase a fishing license in a year, 60% purchase a hunting license in the same year. For the residents who do not purchase a fishing license in a year, only 10% purchase a hunting license in the same year. What is the overall probability of a Wisconsin resident purchasing a hunting license? (hint: you might want to draw a tree)