Expectations Quote by Nassim Nicholas Taleb
“Probability and expectation are not the same. Its probability and probability times the pay off.”
About This Quote
Source Book: Fooled by Randomness, 2001
Probability measures chance, expectation measures weighted outcomes; they differ.
In simple terms: Probability ≠ expectation.
Distinguish risk from reward.
Themes
Mood
Type
When to use this quote
- investment
- insurance
- gaming
- policy analysis
Key Concepts
Questions to Reflect On
- How do you separate chance from payoff?
- When does expectation mislead?
Assuming they are interchangeable leads to mispricing.