SEARCH MATHEMATICA 8 DOCUMENTATION

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Hypothesis Testing Package Symbol

NormalPValue

NormalPValue[x]
gives the cumulative density beyond x for a normal distribution with zero mean and unit variance.

To use NormalPValue, you first need to load the Hypothesis Testing Package using Needs["HypothesisTesting`"].

The one-sided p-value is CDF[NormalDistribution[0, 1], x] for x<0, and 1-CDF[NormalDistribution[0, 1], x] for x≥0.

whether to perform a two-sided test

Needs["HypothesisTesting`"]

The p-value for -2: