In Exercises 1–12, let U = {1, 2, 3, 4, 5, 6, 7} A = {1, 3, 5, 7} B = {1, 2, 3} C = {2, 3, 4, 5, 6}. Find each of the following sets. \(A \cup(B \cap C)\) Text Transcription: A cup(B cap C)
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Textbook Solutions for Thinking Mathematically
Question
A math tutor working with a small study group has classified students in the group by whether or not they scored 90% or above on each of three tests. The results are shown in the Venn diagram.
In Exercises 79–90, use the Venn diagram to represent each set in roster form.
(In Exercises 83–90, be sure to refer to the Venn diagram at the bottom of the previous page in order to represent each set in roster form.)
The set of students who scored 90% or above on exam 2 and not on exam 1 and exam 3
Solution
The first step in solving 2.4 problem number 89 trying to solve the problem we have to refer to the textbook question: A math tutor working with a small study group has classified students in the group by whether or not they scored 90% or above on each of three tests. The results are shown in the Venn diagram. In Exercises 79–90, use the Venn diagram to represent each set in roster form.(In Exercises 83–90, be sure to refer to the Venn diagram at the bottom of the previous page in order to represent each set in roster form.)The set of students who scored 90% or above on exam 2 and not on exam 1 and exam 3
From the textbook chapter Set Operations and Venn Diagrams with Three Sets you will find a few key concepts needed to solve this.
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