Consider the formula for selecting a sample size when performing attribute sampling: [ n=R / P ]

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Consider the formula for selecting a sample size when performing attribute sampling:

\[ n=R / P \]

where: \(n=\) sample size

\(R=\) Risk factor based on ARO and the expected number of errors

\(P=T D R-E D R\)

Explain why this formula should be effective for determing a sufficient sample size to enable conclusions to be drawn based on the results. As part of your discussion, consider the roles of ARO, TDR, and EDR.

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Auditing Assurance And Risk

ISBN: 9780324313185

3rd Edition

Authors: W. Robert Knechel, Steve Salterio, Brian Ballou

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