Quote:
Originally Posted by CyberSEO
O'rly? No please give me the mathematical explanation for this phenomena of teleportation. How exactly the other door got 2x times more chances after you have changed your mind?
You know what? You will never give it to me, because there is no mathematical formula for that. Wanna prove that I'm wrong? Just show it!
It doesn't matter if you have changed your mind or not, both doors will sill have a 50% chance. And it doesn't matter that the 3rd door is opened and empty. The probability was simply redistributed. That's all that have changed, because one variable was taken out from the formula. With 3 rooms it was 100/3=33.3(3) (the formula is a+b+c=100), now it's 100/2=50 (the formula is a+b=100). Your decision does not affect the expected value. Mathematically. And this is the very basics of math.
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The question is still not the probability of where the car is from the two remaining doors, that would be 50-50 for sure, you are right.
The question is the probability of winning if you switch or not, and the picture I sent above explains this clearly. It's not basic math
