What Researchers Learned from 350,757 Coin Flips

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⬣ ABOUT ⬣
A team of students recently won an Ig Nobel Prize for flipping coins 350,757 times and showing that a coin toss may not be 50/50. In this video, we break down the mechanical model that motivated them, as well as whether this new paper stands up to scrutiny.

⬣ TIMESTAMPS ⬣
00:00 - Intro
02:24 - Motivating Mechanical Model
08:03 - Binomial Distribution and Hypothesis Testing
15:37 - Results
20:46 - Conclusion
24:45 - Outro

⬣ INVESTIGATORS ⬣
Nothing for you here. Sorry!

⬣ REFERENCES ⬣
[1] F. Bartoš, A. Saradoglou, H. R. Godmann, A. Sahrani: "Fair coins tend to land on the same side they started: Evidence from 350,757 flips," Preprint, 2023.
https://www.researchgate.net/publicat...
[2] A. Gelman, D. Nolan: "You Can Load a Die, But You Can't Bias a Coin," The American Statistician, 2002.
https://www.researchgate.net/publicat...
[3] J. B. Keller: "The Probability of Heads," The American Mathematical Monthly, 1986.
http://gauss.stat.su.se/gu/sg/2012VT/...
[4] P. Diaconis, S. Holmes, R. Montgomery: Dynamical Bias in the Coin Toss," SIAM Review, 2007.
https://www.researchgate.net/publicat...

⬣ CREDITS ⬣
Music by Danijel Zambo, Tobias Voigt.

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IMAGES
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Ig Nobel Prizes
https://img.lemde.fr/2024/09/12/0/0/3...
Ig Nobel Ceremony 2024
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Drunk Worms
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UK 10p Coin
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This video was sponsored by Brilliant.