GPA and Class
A college professor classifies his students according to their grade point average (GPA)and their class rank.GPA is on a 0.0-4.0 scale,and class rank is defined as the under class (freshmen and sophomores)and the upper class (juniors and seniors).One student is selected at random. 
-{GPA and Class Narrative} What is the probability that the student is in the upper class and has GPA under 2.0?
Definitions:
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