Math with Bad DrawingsCartoon Archive

How Much Information Did You Convey?

April 5, 2022From the book Math Games with Bad Drawings

"I like turtles" conveys more or less information depending on the question: a yes/no question has 2 plausible replies, an open-ended one has a billion. Information theory, explained with turtles.

Transcript

"You just said 'I like turtles.' How much information did you convey?" [Table] "Do you like turtles?" → I like turtles / I don't like turtles: roughly 2 plausible replies · "What reptiles do you like?" → chameleons, snakes, geckos, crocodiles: roughly 15 · "Tell me about yourself." → My elbow bends both ways / I can't keep up with rap lyrics / I saw a monkey on the subway / I've never tried orange juice: roughly 1,000,000,000 · (more information as you go down)

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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.

Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2022-04-05-how-much-information-did-you-convey/ (CC BY-NC 4.0)
Topics
Computer Science › Information TheoryProbability
Level
High SchoolCollege
Themes
AnimalsLanguage & Wordplay