← All parts of this equation

Equation 24 · Part 2 · Measuring AI Agent Reliability: What the Evidence Actually Supports

superscript

k^k
superscript

What this part means

A raised number can be a power. When it is a label or bound, it selects a case or the upper limit of a sum; the formula’s structure distinguishes these uses.

Its job in the formula

A raised mark can be a power or an index. Its position and the surrounding notation determine which.

The passage around this formula

State which question is being answered. A best-of- k number (pass@k) and an every-time number (pass ^k ) are both legitimate, and they can diverge sharply on the same system and the same task set [ 3 ] . Reporting one while a reader assumes the other is a common, avoidable source of overconfidence.

Read this part in the article →

Learn the underlying idea

An exponent tells how a base is used in multiplication. In x³, x is the base and 3 is the exponent: x³ = x × x × x.

Open the illustrated exponents: repeated multiplication and powers guide →

Sources cited in the surrounding passage

These citations provide research context; check each source for the exact claim it supports.