Math Problem Statement

In the long run, which plan has the higher payout?

Plan A Payout P(Payout) −$10,000 0.1 $35,000 0.36 $95,000 0.54 Plan B Payout P(Payout) −$40,000 0.12 $10,000 0.69 $100,000 0.19

Solution

To determine which plan has the higher payout in the long run, we need to calculate the expected value (EV) of the payout for each plan. The expected value is a weighted average of the possible payouts, with each payout being weighted by its probability.

The formula for expected value is:

EV=(Payout×P(Payout))EV = \sum (Payout \times P(Payout))

For Plan A:

EVA=(10,000×0.1)+(35,000×0.36)+(95,000×0.54)EV_A = (-10,000 \times 0.1) + (35,000 \times 0.36) + (95,000 \times 0.54)

EVA=(1,000)+(12,600)+(51,300)EV_A = (-1,000) + (12,600) + (51,300)

EVA=62,900EV_A = 62,900

For Plan B:

EVB=(40,000×0.12)+(10,000×0.69)+(100,000×0.19)EV_B = (-40,000 \times 0.12) + (10,000 \times 0.69) + (100,000 \times 0.19)

EVB=(4,800)+(6,900)+(19,000)EV_B = (-4,800) + (6,900) + (19,000)

EVB=21,100EV_B = 21,100

Conclusion:

  • Plan A has an expected value of $62,900.
  • Plan B has an expected value of $21,100.

Therefore, Plan A has the higher payout in the long run.

Would you like more details on how the expected value is calculated, or do you have any questions about the concept?


Related Questions:

  1. How do you calculate the expected value of a distribution?
  2. What is the difference between expected value and variance?
  3. How can the expected value be used in decision-making?
  4. What does it mean if a payout has a negative expected value?
  5. How does risk affect expected value calculations?

Tip: The expected value is a great way to compare options when dealing with uncertain outcomes. It gives you an "average" outcome based on the probabilities.

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Math Problem Analysis

Mathematical Concepts

Expected Value
Probability
Weighted Average

Formulas

EV = Σ (Payout × P(Payout))

Theorems

Expected Value Theorem

Suitable Grade Level

Grades 9-12