A Simple Rule of Thumb for Election Audit Size Determination

@inproceedings{Rivest2007ASR,
  title={A Simple Rule of Thumb for Election Audit Size Determination},
  author={Ronald L. Rivest},
  year={2007}
}
This note proposes a very simple “Rule of Thumb” for determining how many precincts to audit in a postelection audit. This rule says to audit