1. **State the problem:**
We have a game where a player rolls a fair six-sided die.
If the die shows 6, the player wins 40.
If the die shows any other number (1 to 5), the player wins 0.
The player pays 8 to play the game.
We want to find the expected value of the game.
2. **Formula for expected value:**
The expected value $E$ is calculated as
$$E = \sum (\text{probability of outcome} \times \text{net winnings for that outcome})$$
3. **Calculate probabilities and net winnings:**
- Probability of rolling a 6: $\frac{1}{6}$
- Probability of rolling any other number: $\frac{5}{6}$
Net winnings are winnings minus cost to play:
- If 6: $40 - 8 = 32$
- Otherwise: $0 - 8 = -8$
4. **Calculate expected value:**
$$E = \frac{1}{6} \times 32 + \frac{5}{6} \times (-8)$$
5. **Simplify:**
$$E = \frac{32}{6} - \frac{40}{6} = \frac{32 - 40}{6} = \frac{-8}{6}$$
6. **Cancel common factors:**
$$E = \frac{\cancel{-8}}{\cancel{6}} = -\frac{4}{3}$$
7. **Convert to decimal:**
$$E = -1.33$$
**Final answer:**
The expected value of the game is **-1.33** (rounded to the nearest cent).
This means on average, the player loses 1.33 per game played.
Expected Value B9913F
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