Plus Four Confidence Interval For Difference of Proportions

Plus Four Confidence interval for Difference Between proportions
  Sample 1 Sample 2
Sample size
No. of successes
Confidence Level ($1-\alpha$)
Results
Sample proportions:
Standard Error of Diff. of prop.:
Z-critical value:
Margin of Error:
Lower Confidence Limits:
Upper Confidence Limits:

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