MA121 Final: Review
Document Summary
Consider the set u of 75 students in ma121 class with the following data: The subset b of u consists of 20 students who are also taking ma103; The subset c of u consists of 30 students who are also taking ma104; 7 students in the class are taking both ma122 and ma103; Ma103 and ma104 cannot be taken at the same time; 13 students in the class are taking both ma122 and ma104. Let a be the subset of u also taking ma122. Let b be the subset of u also taking ma103. Let c be the subset of u also taking ma104. The number of the students who are also taking ma122. Number of students taking both ma103 and ma104. The number of elements in the set a b c . The number of students taking ma121 and at least one other course.
