What is the pooled proportion p^p\hat{p}_pp^p given n1=50,x1=10n_1=50, x_1=10n1=50,x1=10 and n2=50,x2=20n_2=50, x_2=20n2=50,x2=20?
0.30.30.3
0.20.20.2
0.250.250.25
0.150.150.15