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What happens if you guess? - Leigh Nataro

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TEDEd Animation

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Will it rain tomorrow? How likely is your favorite team to win the Super Bowl? Questions like these are answered through the mathematics of probability. Watch this artistic visualization of your odds of passing a test if you don’t know any of the answers.

The probability of getting all questions right on a 20 question multiple choice quiz with 5 answer choices per problem was 1 out of 95 trillion. Why is this probability so much smaller than the probability of getting all questions right on a 10 question true-false quiz?

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About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Leigh Nataro
  • Animator Matthew Saunders
  • Narrator Leigh Nataro

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