GPA and Class

question 8

Short Answer

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} If the student selected is in the upper class,what is the probability that her GPA is between 2.0 and 3.0?

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Definitions:

ABAB Design

A type of experimental design consisting of four phases: a baseline phase (A), an intervention phase (B), a return to the baseline phase (A), and a second intervention phase (B), used to assess the effects of an intervention.

Brain Imaging Techniques

Methods used in neuroscience and psychology to visualize the structure or function of the brain, including MRI, CT scans, and PET scans.

Epidemiology

The study of the incidence and prevalence of disorders in a population.