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Binomial Test of Proportions

This calculator performs power and samples size calculations for the binomial test of a proportion.

Note: There does not exist a closed form formula for the power of the bionomial test so this calculator uses simulations to solve for power. For large sample sizes, large sample theory can be used.

Power Calculation Parameters

To input multiple values, seperate them by a comma.

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Power Calculation Explanation

Calculation Results

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N Alpha Power Alt. Proportion Null Proportion Margin
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Power Graph

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