The Following Table Shows the Results of a Survey of 420

question 133

Essay

The following table shows the results of a survey of 420 authors by a (fictitious) publishing company: $$\begin{array} { | l | l | l | l | } \hline & \begin{array} { l } \text { New } \\\text { Authors }\end{array} & \begin{array} { l } \text { Established } \\\text { Authors }\end{array} & \text { Total } \\\hline \text { Successful } & 70 & 50 & 120 \\\hline \text { Unsuccessful } & 130 & 170 & 300 \\\hline \text { Total } & 200 & 220 & 420 \\\hline\end{array}$$ ​
An author is chosen at random.
Compute the estimated probability of the event that the author is established and successful.

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Definitions:

Academic Work

Academic Work refers to scholarly activities including teaching, research, and service conducted by faculty and researchers within educational institutions.

Poverty Rates

The proportion of a population living below the poverty line, indicating the level of economic hardship or lack of access to basic necessities.

Same-sex Parent Households

Families where children are raised by parents of the same gender, either biological or adoptive.

Slave Owners

Individuals who owned slaves in the past, typically in contexts where slavery was legally recognized and institutionalized.