The following table shows the results of a survey of authors by a (fictitious) publishing company.   New Authors Established Authors Total Successful 20 15 35 Unsuccessful 8 6 14 Total 28 21 49 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. Describe the events S ∩ N and S ∪ N in words. S ∩ N is the event that an author is         . S ∪ N is the event that an author is         . Use the table to compute n(S ∩ N) and n(S ∪ N). n(S ∩ N)= n(S ∪ N)=

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ISBN:9780470458365
Author:Erwin Kreyszig
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The following table shows the results of a survey of authors by a (fictitious) publishing company.
  New Authors Established Authors Total
Successful 20 15 35
Unsuccessful 8 6 14
Total 28 21 49
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.
Describe the events S ∩ N and S ∪ N in words.
S ∩ N is the event that an author is         .
S ∪ N is the event that an author is         .
Use the table to compute n(S ∩ N) and n(S ∪ N).
n(S ∩ N)=
n(S ∪ N)=
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