prtesti 100 0.15 0.25 One-sample test of proportion Variable | Mean Std. Err. x .15 .0357071 p Ho: p proportion (x) 0.25 Ha: p zl) = 0.0209 x: Number of obs = 100 [95% Conf. Interval] 0800153 .2199847 z= -2.3094 Ha: p > 0.25 Pr (Z > Z) = 0.9895 0.15 0.25 -2.3094 0.9895