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P-value Calculator

Calculate p-value from z-score for hypothesis testing.

Inputs

Z-Score (test statistic)

Tails (1 = one-tailed, 2 = two-tailed)

P-value0.0500

One-tailed p0.0250

Two-tailed p0.0500

Significance*

Result at α=0.05Reject H₀ (Significant)

No calculations yet — results will appear here automatically.