🪙 10 heads in a row vs 🏚️ Dying in an earthquake
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You're 146.5× more likely to flip heads 10 times in a row
than to die in an earthquake
Periods differ: 10 heads in a row is framed as per sequence of 10 fair flips, while Dying in an earthquake is lifetime (US avg). The multiplier is a raw ratio of the 1-in-X figures — not a normalized lifetime risk. Compare cautiously.
10 heads in a row
1 in 1,024
per sequence of 10 fair flips
Dying in an earthquake
1 in 150,000
lifetime (US avg)
How we calculated this
Each figure is “1 in X.” The larger X is the rarer event. Dividing that number by the more common one gives the multiplier: you're 146.5× more likely to flip heads 10 times in a row. When the periods differ, this is a raw ratio of those figures, not a lifetime-normalized risk.
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You're 146.5× more likely to flip heads 10 times in a row (1 in 1,024, per sequence of 10 fair flips) than to die in an earthquake (1 in 150,000, lifetime (US avg)). ⚠️ Periods differ (per sequence of 10 fair flips vs lifetime (US avg)) — compare cautiously. — How Likely Is That? https://www.howlikelyisthat.com/compare/odds-of-10-coin-flips-in-a-row-vs-odds-of-dying-in-an-earthquake
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