“‘It’s a 10% chance which I did 10 times, so it should be 100%’” by egor.timatkov
Manage episode 451152338 series 3364758
Kandungan disediakan oleh LessWrong. Semua kandungan podcast termasuk episod, grafik dan perihalan podcast dimuat naik dan disediakan terus oleh LessWrong atau rakan kongsi platform podcast mereka. Jika anda percaya seseorang menggunakan karya berhak cipta anda tanpa kebenaran anda, anda boleh mengikuti proses yang digariskan di sini https://ms.player.fm/legal.
Audio note: this article contains 33 uses of latex notation, so the narration may be difficult to follow. There's a link to the original text in the episode description.
Many of you readers may instinctively know that this is wrong. If you flip a coin (50% chance) twice, you are not guaranteed to get heads. The odds of getting a heads are 75%. However you may be surprised to learn that there is some truth to this statement; modifying the statement just slightly will yield not just a true statement, but a useful one.
It's a spoiler, though. If you want to figure this out as you read this article yourself, you should skip this and then come back. Ok, ready? Here it is:
It's a _1/n_ chance and I did it _n_ times, so the odds should be... _63%_. Almost always.
The math:
Suppose you're [...]
---
Outline:
(01:04) The math:
(02:12) Hold on a sec, that formula looks familiar...
(02:58) So, if something is a _1/n_ chance, and I did it _n_ times, the odds should be... _63\\%_.
(03:12) What Im NOT saying:
---
First published:
November 18th, 2024
Source:
https://www.lesswrong.com/posts/pNkjHuQGDetRZypmA/it-s-a-10-chance-which-i-did-10-times-so-it-should-be-100
---
Narrated by TYPE III AUDIO.
…
continue reading
Many of you readers may instinctively know that this is wrong. If you flip a coin (50% chance) twice, you are not guaranteed to get heads. The odds of getting a heads are 75%. However you may be surprised to learn that there is some truth to this statement; modifying the statement just slightly will yield not just a true statement, but a useful one.
It's a spoiler, though. If you want to figure this out as you read this article yourself, you should skip this and then come back. Ok, ready? Here it is:
It's a _1/n_ chance and I did it _n_ times, so the odds should be... _63%_. Almost always.
The math:
Suppose you're [...]
---
Outline:
(01:04) The math:
(02:12) Hold on a sec, that formula looks familiar...
(02:58) So, if something is a _1/n_ chance, and I did it _n_ times, the odds should be... _63\\%_.
(03:12) What Im NOT saying:
---
First published:
November 18th, 2024
Source:
https://www.lesswrong.com/posts/pNkjHuQGDetRZypmA/it-s-a-10-chance-which-i-did-10-times-so-it-should-be-100
---
Narrated by TYPE III AUDIO.
478 episod