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Two Proportion Z Test Calculator
Select null and alternative hypotheses:
\(H_0: p_1 = p_2\)
\(H_0: p_1 \geq p_2\)
\(H_0: p_1 \leq p_2\)
\(H_a: p_1 \neq p_2\)
\(H_a: p_1 < p_2\)
\(H_a: p_1 > p_2\)
Number of Successes for Sample 1
Size of Sample 1
Number of Successes for Sample 2
Size of Sample 2
Significance Level
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