9 F(z) 、(z) -2 0 2 Figure 1:PDF and CDF of standard normal distribution. Previous Next First Last Back Forward 60 Introduction and Review 10 −4 −2 0 2 4 0.0 0.2 0.4 0.6 0.8 1.0 z F(z) f(z) Figure 1: PDF and CDF of standard normal distribution. Previous Next First Last Back Forward 6