The Following Table Shows the Results of a Survey of 380

question 223

Essay

The following table shows the results of a survey of 380 authors by a (fictitious) publishing company:
$$\begin{array} { | l | l | l | l | } \hline & \begin{array} { l } \text { New } \\\text { Authors }\end{array} & \begin{array} { l } \text { Established } \\\text { Authors }\end{array} & \text { Total } \\\hline \text { Successful } & 80 & 20 & 100 \\\hline \text { Unsuccessful } & 120 & 160 & 280 \\\hline \text { Total } & 200 & 180 & 380 \\\hline\end{array}$$ ​
An established author is chosen at random.
Compute the estimated probability of the event that the established author is successful.

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Definitions:

Supporting Unions

Labor unions that provide assistance and resources to other unions and their members, often during strikes or negotiations.

EEOC

The Equal Employment Opportunity Commission, a federal agency that administers and enforces civil rights laws against workplace discrimination in the United States.

Bargaining Unit

A group of employees with a clear and identifiable community of interest who are represented by a single labor union in collective bargaining negotiations with their employer.

Community of Interests

A group of individuals or organizations sharing common objectives or concerns, especially in social, professional, or economic spheres.