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TopicMath nerds, get in here
LordFarquad1312
04/18/20 4:15:49 PM
#30:


HagenEx posted...
2/3.

Third box is discarded, you're gonna pull out one ball out of 3, and there are 2 greens and one red remaining.
But you already pulled a ball out. Either the remaining ball is green, or it's red.
The question isn't "what is the probability of pulling another green ball", but rather "what is the probability that the other ball in the same box is green as well".

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