medium · GMAT Verbal
Argument: 'Most successful CEOs sleep fewer than six hours a night. Therefore, if you want to become a successful CEO, you should reduce your sleep to fewer than six hours.'
What is the flaw?
- It ignores the fact that many unsuccessful people also sleep fewer than six hours a night.
- It draws a conclusion about the population of all aspiring CEOs from a sample consisting only of those who already succeeded.
- It assumes that a characteristic shared by successful people is the cause of their success.
- It assumes that all CEOs have the same biological need for sleep.
- It fails to define what 'success' means for a CEO.
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