The Following Table Shows the Results of a Survey of Authors

question 179

Short Answer

The following table shows the results of a survey of authors by a (fictitious) publishing company: $\begin{array}{|l|l|l|l|}\hline & \text { New Authors } & \begin{array}{l}\text { Established } \\\text { Authors }\end{array} & \text { Total } \\\hline \text { Successful } & 5 & 25 & 30 \\\hline \text { Unsuccessful } & 15 & 55 & 70 \\\hline \text { Total } & 20 & 80 & 100 \\\hline\end{array}$
Consider the following events:
S: An author is successful; U: An author is unsuccessful; N: An author is new; and E: An author is established.
Are the events N and S mutually exclusive

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Definitions:

Demographic Group

A segment of the population defined by specific characteristics such as age, gender, income, or ethnicity, used for statistical and marketing analysis.

Individual Abilities

The natural talents or developed skills possessed by an individual that enable performance in certain activities or tasks.

Female-Owned

Referring to businesses or enterprises that are owned and operated by women.

Glass Ceiling

An invisible barrier that prevents certain groups of people, particularly women and minorities, from advancing beyond a certain level in a hierarchy.