The High School GPAs of Applicants for Admission to a College

question 84

Essay

The high school GPAs of applicants for admission to a college program are recorded and relative frequencies are calculated for the categories.
$$\begin{array} { l l } \mathrm { GPA } & f ( x ) \\\hline x < 2.0 & .08 \\2.0 \leq x < 2.5 & .12 \\2.5 \leq x < 3.0 & .35 \\3.0 \leq x < 3.5 & .30 \\3.5 \leq x &\end{array}$$
a.Complete the table to make this a valid probability distribution.
b.What is the probability an applicant's GPA will be below 3.0?
c.What is the probability an applicant's GPA will be 2.5 or above?

---

Definitions:

Pleasure Centres

Brain regions that produce feelings of pleasure when activated by certain activities, drugs, or behaviors.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood. It controls basic emotions and drives.

Brainstem

The brain segment linking the cerebrum to the spinal cord, responsible for regulating essential functions like respiration and cardiac rhythm.

Temporal Lobe

A region of the cerebral cortex involved in processing auditory information and is also important in the understanding of complex stimuli such as faces and scenes.