# Category:Biased function

## Definition

A Boolean function [math]f:\{-1,1\}^n \to \{-1,1\}[/math] has **bias** of p if obtains the value 1 on a [math]\frac{1+p}{2}[/math]-fraction of its inputs.

A 0-biased function is called **balanced** or **unbiased**.

## Properties

- TODO

## References

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