At Happy Go-Lucky University there are over 20,000 students. 80% of the students drink a lot beer, while 20 % never touch it. a. QUESTION 2 If we chose two students at random and record whether they are beer drinkers or not, are these two events independent? Explain. b. QUESTION 3 If we chose two students who are roommates and record whether they are beer drinkers or not, are these two events independent? Explain