The Following Table Shows the Results of a Survey of 440

question 160

Essay

The following table shows the results of a survey of 440 authors by a (fictitious) publishing company: $$\begin{array} { | l | l | l | l | } \hline & \begin{array} { l } \text { New } \\\text { Authors }\end{array} & \begin{array} { l } \text { Established } \\\text { Authors }\end{array} & \text { Total } \\\hline \text { Successful } & 80 & 20 & 100 \\\hline \text { Unsuccessful } & 150 & 190 & 340 \\\hline \text { Total } & 230 & 210 & 440 \\\hline\end{array}$$ ​
A new author is chosen at random.
Compute the estimated probability of the event that the new author is unsuccessful.

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Definitions:

Freud

An Austrian neurologist named Sigmund Freud created psychoanalysis, a technique for addressing mental disorders through conversations between a therapist and their patient.

Torture

The act of inflicting severe pain or suffering on someone, often to punish, coerce, or gather information.

Working Memory

A cognitive system responsible for temporarily holding and processing information needed for complex tasks such as learning, reasoning, and comprehension.

Distributed Study

A learning technique that involves spreading study sessions out over time to improve retention and understanding.