GPA and Class

question 3

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 GPA of the student selected is over 3.0,what is the probability that the student is in the lower class?

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Definitions:

Adrenal Glands

Endocrine glands, located on top of each kidney, that secrete hormones and affect metabolism.

Synaptic Cleft

The space between neurons.

Neurons

Nerve cells.

Sympathetic Nervous System

A part of the autonomic nervous system that controls the body’s response to perceived threats, often termed as the "fight or flight" response.