Probability for continuous variables Express distribution as a parameterized(参数化的)function of value: P(X=x)=U18,26(x)=uniform(均匀分布)density between 18 and 26 0.125 18 dx 26 Here P is a density;integrates to 1. P(X=20.5)=0.125 means IimP(20.5≤X≤20.5+dx)/dx=0.125 dx-→0 口卡回t·三4色，是分Q0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Probability for continuous variables Express distribution as a parameterized（参数化的）function of value: P(X = x) = U[18, 26](x) = uniform（均匀分布）density between 18 and 26 Here P is a density; integrates to 1. P(X = 20.5) = 0.125 means lim dx→0 P(20.5 ≤ X ≤ 20.5 + dx)/dx = 0.125