0 10 0 -10 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 0 Probability Random Variable v=10, δ=-10 v=10, δ=-5 v=10, δ=0 v=10, δ=5 v=10, δ=10 v=inf, δ=15 Non Central T CDF