The Following Table Shows the Results of a Survey of Authors

question 58

Short Answer

The following table shows the results of a survey of authors by a fictitious publishing company. $$\begin{array} { | l | l | l | l | } \hline & \text { New Authors } & \begin{array} { l } \text { Established } \\\text { Authors }\end{array} & \text { Total } \\\hline \text { Successful } & 4 & 25 & 29 \\\hline \text { Unsuccessful } & 9 & 55 & 64 \\\hline \text { Total } & 13 & 80 & 93 \\\hline\end{array}$$ ​
Consider the following subsets of the set S of all authors represented in the table: C, the set of successful authors; U, the set of unsuccessful authors; N, the set of new authors; and E, the set of established authors. Find the number of elements that set $C \cap N ^ { \prime }$ contains. $n \left( C \cap N ^ { \prime } \right) =$ __________

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Definitions:

Absorption

The process by which substances are taken up into a more assimilable form, such as nutrients from food into the bloodstream.

Peristalsis

A sequence of muscular waves that propel food along the digestive system.

Chemical Digestion

The process in the digestive system where enzymes break down food into small molecules the body can absorb.

Diffusion

Tendency for solute molecules to move from an area of high concentration to an area of low concentration in solution; the product of the constant random motion of all atoms, molecules, or ions in a solution.