Question

a math tutor working with a small study group has classified students in the group by whether or not they scored 80% or above on each of three tests. the results are shown in the venn diagram to the right. use the venn diagram to represent the set of students who scored 80% or above on exam 3 in roster form. choose the set of students who scored 80% or above on exam 3. ○ a. {eva, mel, ben, flo} ○ b. {hui, oli, gus, ny, pat} ○ c. {hui, oli} ○ d. {gus, ny, pat}

Explanation:

Step1: Identify the region for Exam 3

The Venn - diagram has three circles for Exam 1, Exam 2, and Exam 3. We need to look at the elements inside the circle labeled "Exam 3 $\geq80\%$".

Step2: List the elements

The elements inside the "Exam 3 $\geq80\%$" circle are Hui, Oli, Gus, Ny, Pat.

Answer:

B. \{Hui, Oli, Gus, Ny, Pat\}