Math Problem Statement
A 40-year-old man in the U.S. has a 0.249% risk of dying during the next year . An insurance company charges $300 per year for a life-insurance policy that pays a $100,000 death benefit. What is the expected value for the person buying the insurance? Round your answer to the nearest dollar.
Expected Value: $ for the year
Solution
The expected value for the person buying the insurance can be calculated by considering the two possible outcomes:
- The person survives (probability of survival): The person loses the premium paid to the insurance company.
- The person dies (probability of death): The person receives the death benefit of $100,000, but loses the premium.
Step-by-step calculation:
- Probability of death: 0.249% = 0.00249
- Probability of survival: 1 - 0.00249 = 0.99751
- Cost of premium: $300
- Death benefit: $100,000
Now, let's calculate the expected value .
- Net gain if death occurs: $100,000 - $300 = $99,700
- Net gain if survival occurs: $-300 (since the person only pays the premium with no benefit)
Thus:
Conclusion:
The expected value for the person buying the insurance is - $51 for the year (rounded to the nearest dollar).
Would you like more details or have any questions?
Here are 5 related questions you might find interesting:
- How would the expected value change if the premium were $400?
- What is the insurance company's expected value for this policy?
- How does the risk of death impact the premium charged by insurance companies?
- What is the break-even premium for this insurance policy?
- How would a different death benefit (e.g., $200,000) affect the expected value?
Tip: Expected value helps assess whether a financial decision is fair or beneficial over time, especially in insurance and gambling scenarios.
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Math Problem Analysis
Mathematical Concepts
Probability
Expected Value
Risk Analysis
Formulas
E(X) = (Probability of death × Net gain if death occurs) + (Probability of survival × Net gain if survival occurs)
Theorems
Law of Total Expectation
Suitable Grade Level
Grades 10-12
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