Determine Whether the Following Is a Probability Distribution

question 53

Short Answer

Determine whether the following is a probability distribution. If not, identify the requirement that is not satisfied.
-In a certain town, 50% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree.
$$\begin{array} { r | r } \mathrm { x } & \mathrm { P } ( \mathrm { x } ) \\\hline 0 & 0.0625 \\1 & 0.2500 \\2 & 0.3750 \\3 & 0.2500 \\4 & 0.0625\end{array}$$

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Definitions:

Labor Dispute

A conflict between employees and their employer regarding work conditions or terms of employment.

Fair Labor Standards Act

A United States federal law that establishes minimum wage, overtime pay eligibility, recordkeeping, and child labor standards for employees in the private sector and in Federal, State, and local governments.

Federal Minimum Wage

The lowest legal hourly wage that employers can pay their employees, as mandated by federal law.

Landrum-Griffin Act

A U.S. law enacted in 1959 to regulate labor unions' internal affairs and their officials' relationship with employers.