this post was submitted on 17 Mar 2026
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Flipping a coin 50 times has 1.1 quadrillion possible outcomes, only 2 of which are all heads or all tails. I think you'd need more than a few billion to reliably see those results.
yeah that's over a one in a billion chance to get all heads in just a million tries.
I think though, you get the point.
Now here is a bonus question for you. If I give you a coin and ask you to flip it 20 times, and they all come up heads. What are the odds that if you flip it again it will come up heads?
I think it’s higher than a 50% chance of heads, because you have evidence for it being an unfair coin.