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Oct 30, 2016 at 2:26 comment added twalbaum So weird, but it actually holds true for other pairs of sizes of urns. If you have an urn with the same number of balls of each colour, the probability of taking two different coloured balls is the same as when you take one ball out of the urn.
Oct 29, 2016 at 2:20 vote accept user366312
Oct 29, 2016 at 2:11 comment added dsaxton @DilipSarwate I actually had a hard time believing it myself.
Oct 29, 2016 at 2:09 answer added dsaxton timeline score: 2
Oct 29, 2016 at 2:01 comment added Dilip Sarwate What is indeed remarkable is that you find that the probability of getting two balls of different colors is the same regardless of which urn is chosen and this does not bother you at all.
Oct 29, 2016 at 1:37 history asked user366312 CC BY-SA 3.0