This May Be The Most Counterintuitive Probability Paradox I've Ever Seen | Can you spot the error?
WARNING: If you haven't see this paradox before (and probability isn't your thing), it may seem like math is broken here. I just want to say that it's not and it took me A LOT of thinking to finally see why. I encourage you to watch the video and see what conclusions you come to, but then check out the follow up video (https://youtu.be/ElB350w8iJo), or pinned comment, for more of an explanation about what's going on.
STEMerch Store: https://stemerch.com/
What is the chance that a parent has two daughters, given the fact that they have two children, at least one of which is a girl named Julie?
Book that I reference (The Drunkard's Walk): https://amzn.to/2TY8ibO
See pinned comment for additional information.
►References (note, even some of the sources don't fully agree)
https://en.wikipedia.org/wiki/Boy_or_Girl_paradox
https://leightonvw.com/2017/03/03/the-puzzling-problem-of-a-girl-named-florida/
https://math.stackexchange.com/questions/2149812/the-two-daughter-problem
https://math.stackexchange.com/questions/4400/boy-born-on-a-tuesday-is-it-just-a-language-trick
https://science.slashdot.org/story/10/06/28/2221252/the-tuesday-birthday-problem
http://allendowney.blogspot.com/2011/11/girl-named-florida-solutions.html
Instagram: https://www.instagram.com/zachstar/
Twitter: https://twitter.com/ImZachStar
Join Facebook Group: https://www.facebook.com/groups/majorprep/
►Support the Channel
Patreon: https://www.patreon.com/zachstar
PayPal(one time donation): https://www.paypal.me/ZachStarYT
►My Setup:
Space Pictures: https://amzn.to/2CC4Kqj
Magnetic Floating Globe: https://amzn.to/2VgPdn0
Camera: https://amzn.to/2RivYu5
Mic: https://amzn.to/2BLBkEj
Tripod: https://amzn.to/2RgMTNL
Equilibrium Tube: https://amzn.to/2SowDrh
►Check out the Amazon Store: https://www.amazon.com/shop/zachstar
-
5:54
Zach Star
7 months agoWhen you're an engineer in the Star Wars Universe
24 -
0:19
mieleskeithleymtzmt6638
1 year agoThe most colorful volcano I've ever seen
41 -
0:32
thenickhawk
1 year agoHAWK TALK: The Most Satanic Thing I've Ever Seen
14 -
19:08
Modern Makeovers
1 year agoThe MOST Paint I've Ever Seen on a Dresser... Furniture Restoration
65210 -
23:06
Exploring With Nug
1 day ago $0.04 earned30 Years Later: The Nurse Who Vanished Without a Trace
60.2K3 -
18:23
DepressedGinger
1 day ago $0.13 earnedDems have *HUGE* fight over who should run, start turning on each other
66.2K44 -
24:00
CarlCrusher
2 days agoReports of Disappearing Ghost Orbs and Shapeshifting Skinwalkers
49.3K9 -
13:03
JoBlo Originals
1 day agoSucker Punch - NOT As Bad As You Thought?
47.5K19 -
10:38
Tactical Advisor
1 day agoModern Lever Actions Overview
41.9K9 -
29:11
MYLUNCHBREAK CHANNEL PAGE
23 hours agoExposing Chicago's Tunnel System?
38.9K72