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the claim

A flipped coin lands on the same face it started on about 51 percent of the time.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that a flipped coin lands on the same face it started on about 51 percent of the time?

Yes. A large peer-reviewed study of 350,757 flips reports the coin landed on the same side it started with probability 0.508, and a physics-model source states the predicted same-side probability is approximately 51 percent.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

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Evidence for · 2
Fair Coins Tend to Land on the Same Side They Started: Evidence from 350,757 Flips
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Fair Coins Tend to Land on the Same Side They Started: Evidence from 350,757 Flips. (n.d.). arxiv.org. https://arxiv.org/html/2310.04153v3

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More for · 1
Fair Coins Tend to Land on the Same Side They Started: Evidence from 350,757 Flips
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Fair Coins Tend to Land on the Same Side They Started: Evidence from 350,757 Flips. (n.d.). cir.nii.ac.jp. https://doi.org/10.1080/01621459.2025.2516210

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