At a liberal arts college, 90% of the freshmen are enrolled in English 105, 80% are enrolled in Mathematics 101 and 5% are enrolled in Mathematics 101 but not in English 105. A freshman is randomly selected.
- What is the probability that the freshman is enrolled in both English 105 and Mathematics 101?
- What is the probability that the freshman is enrolled in English 105 but not in Mathematics 101?
- What is the probability that the freshman is not enrolled in Mathematics 101?