Coffee drinkers, rejoice, here's a chance to win free coffee! Coffee club card holders have the chance to win free coffee every day for a year—but they must enter using their cards good for a free cup. Scholars weigh the chances of winning before deciding whether to enter the contest. Is it worth the risk?

Concepts

statistics, probability, expected value

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Additional Tags

math

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Instructional Ideas

• Get pupils to find and investigate similar offers in local establishments
  

Classroom Considerations

• Note that you may need to enlarge the image to read the small print
• Scholars should be familiar with expected value
  

Pros

• Provides teacher notes for the activity
  

Cons

• Non-coffee drinkers may not find the problem to be of interest
  

Common Core

HSS-MD.A.3 MP4