Extra Credit Problem #1 (4 points) The Askil Company is deciding to require mandatory drug testing of its employees. It is estimated from previous studies that 9% of the population uses drugs. If drugs are being used, the test will register positive 97% of the time, but it also gives a positive test 1% of the time for people who are not using drugs. 1. Draw an outcome tree for this problem. 2. Determine the percentage of people likely to test positive. 3. Determine the probability that someone is not a drug user even if he or she tested positive. 4. What objections might the union have to this drug testing program