The following table shows the results of a survey of authors by a fictitious pub

Question

The following table shows the results of a survey of authors by a fictitious publishing company. 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. Describe the set C cap N' in words. The set of authors who are both successful and not new. The set of authors who are either successful or not new (or both). The set of authors who are either successful or new (or both). The set of authors who are both successful and new. The set of authors who are both unsuccessful and not new. Find the number of elements C cap N' contains. Elements

Explanation / Answer

Fro the given information ,

C = The set of successful authors

U =  The set of unsuccessful authors

N = The set of new authors

E = The set of established authors

C N' = The set of authors who are both successful and not new

Successful authors C = 27

New authors N = 3

Number of elements in C N' = C - N = 27 - 3 = 24

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