NormalConfidence.PercentageSize Method 

Calculates the sample size needed for a specified error level when the level of confidence of the confidence interval of the sample proportion of that interval is known.

Parameters

proportion

The sample proportion (or percentage) which is known to lie within the confidence interval considered given in absolute terms (i.e. 1 percent = 1).

errorLevel

The standard error level of the sample required.

confidence

Return Value

double the sample size

See Also

NormalConfidence Class | Hypothesis Namespace