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Equation 13 · Part 1 · How to Actually Compare Frontier AI Models Without Building a Misleading Leaderboard

Symbol hat p

p^\hat p
p^\hat p

What this part means

hat p is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

hat p is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

Reported variance, not a bare point estimate. A score computed from n independent trials with an underlying success probability p^\hat p carries a standard error of roughly

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Learn the underlying idea

A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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Sources cited in the article section

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