rσ= σB/σA    
rµ = µB/µA 1.00 1.25 1.50 1.75 2.00
1.00 0.5000 0.5000 0.5000 0.5000 0.5000
1.25 0.6382 0.6226 0.6092 0.5980 0.5885
1.50 0.7602 0.7339 0.7105 0.6901 0.6726
1.75 0.8556 0.8256 0.7973 0.7716 0.7488
2.00 0.9214 0.8942 0.8664 0.8395 0.8145
Table 1: shows the hypothetical probability, [P(QB>QA)], that any sample in Distribution B is larger than any sample in Distribution A, if both A and B are Gaussian and the ratios of their means and standard deviation are rµ and rσrespectively.