Testing Hypothesis : Two Population Proportion P1, P2

[Hypothesis]    Ho : p1 - p2 = D  
   H1 : p1 - p2 ≠ D    H1 : p1 - p2 > D    H1 : p1 - p2 < D
[Test Type]    Z-test
      Significance Level   α =   (0 < α < 1)
[Sample Data] 
Sample Size n1 = n2 =
Sample Proportion 1 = 2 =
[Confidence Interval]       zα/2 =       p̄ = (n1 p1 + n2 p2) / (n1+n2) =
(p̂1 - p̂2 - D) ± zα/2 √ ( p̄ (1-p̄) / n1 + p̄ (1-p̄) / n2 )    ,  )

      α =   0 1