In 7990, use the Venn diagram to represent each set in roster form.(In 8390, be sure to

Chapter 2, Problem 88

(choose chapter or problem)

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 at least two tests

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