Statistics- At a college 72% of courses have final exams and 46%

At a college 72% of courses have final exams and 46% of courses require research papers. Suppose that 32% of courses have a research paper and a final exam. Let F be the event that a course has a final exam. Let R be the event that a course requires a research paper.Final exam: 72/100 Research paper: 46/100 Both final and research: 32/100a. Find the probability that a course has a final exam or a research project.b. Find the probability that a course has NEITHER of these two requirements