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The following table shows the results of a survey of 500 authors by a publishing company. New Authors Successful 45 Unsuccessful 90 Total 135 Established Authors Total 140 185 225 315 365 500 Compute the relative frequency of the given event if an author as specified is chosen at random. A successful author is established.​

The following table shows the results of a survey of 500 authors by a publishing company New Authors Successful 45 Unsuccessful 90 Total 135 Established Authors class=

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