Derangements - Numberphile
Derangements featuring Dr James Grime. More links & stuff in full description below ↓↓↓ Extra footage from this interview: https://youtu.be/qYAWjIVY7Zw More Dr Grime on Numberphile:...
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I've got 10 cards here. I'm gonna shuffle them up. They're just one to ten, or ace to ten. You can see there, look. Ace of hearts, ten of hearts, nine, look. Seven, four. So I'm just gonna shuffle them up, I'm gonna lay them out, I'll count- Brady: "Hey Jamie, It looks like you've got the world's smallest hands." These are normal sized cards. I'm just a tiny person. I'm gonna lay these out. I'll count along when I lay them out. And I win... if the position matches its value, which means if ace comes out first, I win. If, if the four comes out fourth, I win, okay? Now, what's the chance of me winning this game? So, am I likely to get a match? That's the question. Am I likely to get a match? Do you t...
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I've got 10 cards here. I'm gonna shuffle them up. They're just one to ten, or ace to ten. You can see there, look. Ace of hearts, ten of hearts, nine, look. Seven, four. So I'm just gonna shuffle them up, I'm gonna lay them out, I'll count- Brady: "Hey Jamie, It looks like you've got the world's smallest hands." These are normal sized cards. I'm just a tiny person. I'm gonna lay these out. I'll count along when I lay them out. And I win... if the position matches its value, which means if ace comes out first, I win. If, if the four comes out fourth, I win, okay? Now, what's the chance of me winning this game? So, am I likely to get a match? That's the question. Am I likely to get a match? Do you t...
