Publishing Exercises 49–56 are based on the accompanying table, which shows the results of a survey of authors by a (fictitious) publishing company. [HinT: See Example 5.]
New Authors | Established Authors | Total | |
Successful | 5 | 25 | 30 |
Unsuccessful | 15 | 55 | 70 |
Total | 20 | 80 | 100 |
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
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