Method

n = 15

n = 30

n = 50

n = 100

Clopper-Pearson

0.974 (0.479)

0.969 (0.347)

0.965 (0.269)

0.961 (0.190)

Wilson score

0.957 (0.416)

0.951 (0.313)

0.950 (0.2487)

0.950 (0.180)

Wald

0.913 (0.456)

0.931 (0.328)

0.939 (0.256)

0.945 (0.182)

Likelihood

0.951(0.431)

0.948(0.319)

0.950 (0.216)

0.949 (0.81)