多个正态分布的比较 There are an Infinite Number Varying the parameters o and u, we obtain Different Normal Distributions
多个正态分布的比较 Varying the Parameters and , we obtain Different Normal Distributions. There are an Infinite Number
Normal Distribution: Finding probabilities 正态分布曲线下面积的几何意义 Probability is the area under the curve!累积概率 P(c≤X≤d)=? f(X X cd
Normal Distribution: Finding Probabilities 正态分布曲线下面积的几何意义 Probability is the area under the curve ! 累积概率 c d X f(X) P (c X d )= ?
每个正态分布对应一张正态概率表 Which table?请用标准正态分布! Each distribution has its own table? Infinitely Many Normal Distributions Means Infinitely Many Tables to Look Ur
每个正态分布对应一张正态概率表 Which Table? 请用标准正态分布！ Infinitely Many Normal Distributions Means Infinitely Many Tables to Look Up! Each distribution has its own table?
The standardized normal distribution 标准正态分布 Standardized Normal Probability Table(portion) u,0 and o=2 0478 Z.00.01 0.0.0000.0040.0080 0398.0438.0478 0.2.0793.0832.0871 乙=0.12 0.3.0179.0217.0255 Shaded Area Probabilities Exaggerated
Z Z Z = 0.12 Z .00 .01 0.0 .0000 .0040 .0080 .0398 .0438 0.2 .0793 .0832 .0871 0.3 .0179 .0217 .0255 The Standardized Normal Distribution 标准正态分布 .0478 .02 0.1 .0478 Standardized Normal Probability Table (Portion) = 0 and = 1 Probabilities Shaded Area Exaggerated
标准化的应用(1) 2X-=6.2-5 0.12 10 Normal Standardized Normal Distribution Distribution G=10 H=56.2X H=0.12z Shaded Area Exaggerated
= 0 Z Z = 1 .12 标准化的应用（1） Normal Distribution Standardized Normal Distribution = 5 X = 10 6.2 0 12 10 6 2 5 . X . Z = − = − = Shaded Area Exaggerated