The article “Obesity, Smoking Damage U.S. Economy,” which appeared in the Gallup Online Business Journal (gallup.com, September 7, 2016, retrieved April 25, 2017), reported that based on a large representative sample of adult Americans, 52.7% claimed that they exercised at least 30 minutes on 3 or more days per week during 2015. It also reported that the percentage for millennials (people age 19–35) was 57.1%, and for those over 35 it was 51.1%. If an adult American were to be selected at random, are the events selected adult exercises at least 30 minutes 3 times per week and selected adult is a millennial independent or dependent events? Justify your answer using the given information.