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Dec 28, 2022 at 16:33 comment added Sextus Empiricus @JEDHK I had this calculated by a computer. In R you would use dbinom(500000,1000000,0.5). Alternatively you can use the asymptotic approximation for the middle term and compute $\frac{\sqrt{2}}{\sqrt{n\pi}}$. I guess that I used the first method because the second gives me 0.0007978846
Dec 28, 2022 at 16:05 comment added JED HK I mean the mathematical derivation that 1 000 000 flips with 500 000 heads and tails being 0.0007978844
Dec 28, 2022 at 10:32 comment added Sextus Empiricus @JEDHK proof of what?
Dec 28, 2022 at 10:04 comment added JED HK Can you show the proof for this here? :)
Jun 11, 2022 at 14:56 history answered Sextus Empiricus CC BY-SA 4.0