Considering the chart below, what is the probability that if you select one person at random that they have committed a violent crime and were at least 20 years of age? 
Definitions:
DSM-IV-TR
The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; a manual published by the American Psychiatric Association that outlines mental disorders and their diagnostic criteria.
Axis II
A classification dimension previously used in the DSM (Diagnostic and Statistical Manual of Mental Disorders) for personality disorders and intellectual disabilities.
Personality Disorders
A group of mental health disorders characterized by enduring maladaptive patterns of behavior, cognition, and inner experience, exhibited across many contexts and deviating from cultural norms.
Mental Retardation
An outdated and insensitive term formerly used to describe a condition characterized by below-average intellectual function and a lack of skills necessary for daily living; now referred to as intellectual disability.
Q15: Type of Attack <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6660/.jpg" alt="Type of
Q19: The reticular activating system controls<br>A)Orientation.<br>B)Wakefulness.<br>C)Balance.<br>D)Motor function.
Q44: The grades on a statistics exam for
Q44: The weights of cans of fruit are
Q53: Elly's hot dog emporium is famous for
Q68: What disadvantage(s) are there of the mean
Q90: Chebyshev's theorem states that: i. About 68%
Q101: i. For salaries of $102,000, $98,000, $25,000,
Q110: A loaf of bread is normally distributed
Q119: The average score of 100 students taking