(Answered) At a liberal arts college 90 of the freshmen are enrolled

Statistics

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?

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