The following table summarizes the ages of the 400 richest Americans.Suppose we select one of these individuals.Find the probability that the selected individual is less than 80 years old. 
Definitions:
Inquisitorial Intervention
A method of intervention where an acting party investigates and examines the details of a case or situation.
High Control
A state or condition where one has significant authority, influence, or regulation over outcomes or processes.
Manager Exerts
Refers to the influence or effort a manager applies to guide, direct, or control resources and team members in an organizational setting.
Third-Party Intervention
The involvement of an outside party to help resolve a conflict or dispute between two other parties.
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