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. $n \left( C \cap N ^ { \prime } \right) =$ __________

---

Definitions:

Allowance Method

A method in accounting used to estimate bad debts expense by anticipating which accounts receivable may not be collected.

Balance Sheet Accounts

Accounts reported on the balance sheet, representing the company's assets, liabilities, and equity at a specific point in time.

Direct Write-off Method

An accounting method where bad debts are charged against income at the time they are determined to be uncollectible, rather than being estimated and accounted for in advance.

Allowance for Doubtful Accounts

An estimation of the amount of credit sales that are expected not to be collected, representing a reserve for potential bad debts.