Publishing   The following table shows the results of a survey of 400 authors by a publishing company.   New Authors Established Authors Total Successful 40 112 152 Unsuccessful 76 172 248 Total 116 284 400 Compute the relative frequency of the given event if an author as specified is chosen at random. An established author is successful.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Publishing   The following table shows the results of a survey of 400 authors by a publishing company.
  New Authors Established Authors Total
Successful 40 112 152
Unsuccessful 76 172 248
Total 116 284 400
Compute the relative frequency of the given event if an author as specified is chosen at random.
An established author is successful.
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