If a gambling game is played with expected value $0.40, then there is a 40% chance of winning. false or true?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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If a gambling game is played with expected value $0.40, then there is a 40% chance of winning.

false or true?

### Understanding Expected Value in Gambling

**Question:**  
If a gambling game is played with an expected value of $0.40, then there is a 40% chance of winning.

- ○ false
- ○ true

**Explanation:**  
This question addresses a common misconception regarding expected value and probability. The expected value of a game is a statistical measure of the average outcome, which is not directly related to the probability of winning.

**Expected Value vs. Probability:**  
- **Expected Value ($0.40):** This represents the average amount one can expect to win (or lose) per game in the long run. It is calculated based on all possible outcomes and their respective probabilities.
- **Chance of Winning (40%):** This refers to the probability of a specific outcome (winning in this case) occurring in a single trial.

Understanding the distinction between these concepts is crucial for interpreting gambling scenarios correctly. In this case, the statement is **false** because an expected value of $0.40 does not imply a 40% chance of winning. The expected value could be calculated using various combinations of probabilities and payoffs.
Transcribed Image Text:### Understanding Expected Value in Gambling **Question:** If a gambling game is played with an expected value of $0.40, then there is a 40% chance of winning. - ○ false - ○ true **Explanation:** This question addresses a common misconception regarding expected value and probability. The expected value of a game is a statistical measure of the average outcome, which is not directly related to the probability of winning. **Expected Value vs. Probability:** - **Expected Value ($0.40):** This represents the average amount one can expect to win (or lose) per game in the long run. It is calculated based on all possible outcomes and their respective probabilities. - **Chance of Winning (40%):** This refers to the probability of a specific outcome (winning in this case) occurring in a single trial. Understanding the distinction between these concepts is crucial for interpreting gambling scenarios correctly. In this case, the statement is **false** because an expected value of $0.40 does not imply a 40% chance of winning. The expected value could be calculated using various combinations of probabilities and payoffs.
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