The following table shows the results of a survey of authors by a (fictitious) publishing company.   New Authors Established Authors Total Successful 9 12 21 Unsuccessful 6 9 15 Total 15 21 36 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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The following table shows the results of a survey of authors by a (fictitious) publishing company.
  New Authors Established Authors Total
Successful 9 12 21
Unsuccessful 6 9 15
Total 15 21 36
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 SN and SN in words.
SN is the event that an author is        .
SN is the event that an author is        .
Use the table to compute n(SN) and n(SN).
n(SN) =n(SN) =
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