The expected payoff is right on target. An interactive resource provides a dart game scenario with amounts of cash prizes and probabilities of winning. Learners calculate the expected value and expected payoff for the game. To finish, they decide whether the game favors the player or the owner.

Concepts

expected value, probability, probability word problems

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Additional Tags

math

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Instructional Ideas

• Lead a discussion about expected payoffs and expected values when it costs money to play a game 

Classroom Considerations

• The class should know how to calculate expected value
• Requires a free CK-12 account before users can access the interactive

Pros

• Provides hints on how to approach the problem
• Reveals the correct answer for those who enter the wrong one

Cons

• None

Common Core

HSS-MD.A.2 HSS-MD.A.3 MP4 MP5