Math Problem Statement

The table shows claims and their probabilities for an insurance company. Use the table to answer parts a through c. Part a: Calculate the expected value.

Solution

To calculate the expected value for the amount of claims, we use the formula for expected value:

E(X)=(Value of Claim)×(Probability of Claim)E(X) = \sum \text{(Value of Claim)} \times \text{(Probability of Claim)}

Using the values and probabilities from the table:

  • 0×0.65=00 \times 0.65 = 0
  • 50,000×0.26=13,00050,000 \times 0.26 = 13,000
  • 100,000×0.05=5,000100,000 \times 0.05 = 5,000
  • 150,000×0.02=3,000150,000 \times 0.02 = 3,000
  • 200,000×0.01=2,000200,000 \times 0.01 = 2,000
  • 250,000×0.01=2,500250,000 \times 0.01 = 2,500

Now summing these:

E(X)=0+13,000+5,000+3,000+2,000+2,500=25,500E(X) = 0 + 13,000 + 5,000 + 3,000 + 2,000 + 2,500 = 25,500

The expected value of the claims is $25,500.

Would you like a detailed explanation of this process or help with parts b and c? Here are some related questions to explore further:

  1. What is the interpretation of the expected value in this context?
  2. How does the distribution of probabilities affect the expected value?
  3. What is the variance and standard deviation of the claim amounts?
  4. If the probabilities change, how would the expected value be recalculated?
  5. How would you use this expected value in insurance decision-making?

Tip: When working with probabilities, always ensure their sum equals 1 to validate the data.

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Math Problem Analysis

Mathematical Concepts

Expected Value
Probability
Weighted Average

Formulas

E(X) = Σ(Value × Probability)

Theorems

Expected Value Formula

Suitable Grade Level

Grades 10-12