A lottery ticket has a grand prize of $21.5 million. The probability of winning the grand prize is .000000023, Determine the expected value of the lottery ticket. (Round your answer to 3 decimal places.) Expected value Would you pay $1 for a ticket? O Yes O No

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### Lottery Ticket Expected Value Calculation

**Problem Statement:**
A lottery ticket has a grand prize of $21.5 million. The probability of winning the grand prize is 0.000000023.

**Task:**
Determine the expected value of the lottery ticket. (Round your answer to 3 decimal places.)

**Fields to be Completed:**
- **Expected Value ($):** _[Input Field]_

**Question:**
Would you pay $1 for a ticket?
- Yes
- No

**Instructions:**

1. **Expected Value Calculation:**
   - Expected Value (EV) is calculated using the formula:
     \[ \text{EV} = (P_{\text{win}} \times \text{Prize}) + (P_{\text{loss}} \times \text{Loss}) \]
   - Where:
     - \(P_{\text{win}}\) is the probability of winning.
     - \(P_{\text{loss}}\) is the probability of losing.
     - Prize is the monetary reward for winning.
     - Loss is the cost of the ticket (if applicable).

2. **Apply the Given Data:**
   - \(P_{\text{win}} = 0.000000023\)
   - Prize = $21,500,000
   - The cost of the ticket in this context can be considered $0 for simplicity, as we are only determining the expected value of winning.

   Therefore:
   \[ \text{EV} = (0.000000023 \times 21,500,000) \approx 0.495 \]

3. **Consideration:**
   - Would you pay $1 for a ticket with an expected value of approximately $0.495?

4. **Interactivity:**
   - Click "Check my work" to validate your answers.
   - Answer the question on your decision to buy the ticket for $1.

5. **Navigation:**
   - Use the "Prev" and "Next" buttons to navigate through the tutorial.

---

**Technical Note:** Ensure to round your calculated expected value to three decimal places as instructed.
Transcribed Image Text:### Lottery Ticket Expected Value Calculation **Problem Statement:** A lottery ticket has a grand prize of $21.5 million. The probability of winning the grand prize is 0.000000023. **Task:** Determine the expected value of the lottery ticket. (Round your answer to 3 decimal places.) **Fields to be Completed:** - **Expected Value ($):** _[Input Field]_ **Question:** Would you pay $1 for a ticket? - Yes - No **Instructions:** 1. **Expected Value Calculation:** - Expected Value (EV) is calculated using the formula: \[ \text{EV} = (P_{\text{win}} \times \text{Prize}) + (P_{\text{loss}} \times \text{Loss}) \] - Where: - \(P_{\text{win}}\) is the probability of winning. - \(P_{\text{loss}}\) is the probability of losing. - Prize is the monetary reward for winning. - Loss is the cost of the ticket (if applicable). 2. **Apply the Given Data:** - \(P_{\text{win}} = 0.000000023\) - Prize = $21,500,000 - The cost of the ticket in this context can be considered $0 for simplicity, as we are only determining the expected value of winning. Therefore: \[ \text{EV} = (0.000000023 \times 21,500,000) \approx 0.495 \] 3. **Consideration:** - Would you pay $1 for a ticket with an expected value of approximately $0.495? 4. **Interactivity:** - Click "Check my work" to validate your answers. - Answer the question on your decision to buy the ticket for $1. 5. **Navigation:** - Use the "Prev" and "Next" buttons to navigate through the tutorial. --- **Technical Note:** Ensure to round your calculated expected value to three decimal places as instructed.
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