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附表2 标准正态曲线下的面积表

u

0

1

2

3

4

5

6

7

8

9

0.0

 .0000 .0040 .0080 .0120 .0160 .0199 .0239 .0276 .0319 .0359

0.1

 .0398 .0438 .0478 .0517 .0557 .0596 .0636 .0675 .0714 .0754

0.2

 .0793 .0832 .0871 .0910 .0948 .0987 .1026 .1064 .1103 .1141

0.3

 .1179 .1217 .1255 .1293 .1331 .1368 .1406 .1443 .1480 .1517

0.4

 .1554 .1591 .1628 .1664 .1700 .1736 .1772 .1808 .1844 .1879

0.5

 .1915 .1950 .1985 .2019 .2054 .2088 .2123 .2157 .2190 .2224

0.6

 .2258 .2291 .2324 .2357 .2389 .2422 .2454 .2486 .2518 .2549

0.7

 .2580 .2612 .2642 .2673 .2704 .2734 .2764 .2794 .2823 .2852

0.8

 .2881 .2910 .2939 .2967 .2996 .3023 .3051 .3078 .3106 .3133

0.9

 .3159 .3186 .3212 .3238 .3264 .3289 .3316 .3340 .3365 .3389

1.0

 .3413 .3438 .3461 .3485 .3508 .3531 .3554 .3577 .3599 .3621

1.1

 .3643 .3665 .3686 .3708 .3729 .3749 .3770 .3790 .3810 .3830

1.2

 .3849 .3869 .3888 .3907 .3925 .3944 .3962 .3980 .3997 .4015

1.3

 .4032 .4049 .4066 .4082 .4099 .4115 .4131 .4147 .4162 .4177

1.4

 .4192 .4207 .4222 .4236 .4251 .4265 .4270 .4292 .4306 .4319

1.5

 .4332 .4345 .4357 .4370 .4382 .4394 .4406 .4418 .4429 .4441

1.6

 .4452 .4463 .4474 .4484 .4495 .4505 .4515 .4525 .4535 .4545

1.7

 .4554 .4564 .4573 .4582 .4591 .4599 .4608 .4616 .4625 .4633

1.8

 .4641 .4649 .4656 .4664 .4671 .4678 .4686 .4693 .4699 .4706

1.9

 .4713 .4719 .4726 .4732 .4733 .4744 .4750 .4756 .4761 .4767

2.0

 .4772 .4778 .4783 .4788 .4793 .4798 .4803 .4808 .4812 .4817

2.1

 .4821 .4826 .4830 .4834 .4838 .4842 .4846 .4850 .4854 .4857

2.2

 .4861 .4864 .4868 .4871 .4875 .4878 .4881 .4884 .4887 .4890

2.3

 .4893 .4896 .4898 .4901 .4904 .4906 .4909 .4911 .4913 .4916

2.4

 .4918 .4920 .4922 .4925 .4927 .4929 .4931 .4932 .4934 .4936

2.5

 .4938 .4940 .4941 .4943 .4945 .4946 .4948 .4949 .4951 .4952

2.6

 .4953 .4955 .4956 .4957 .4959 .4960 .4961 .4962 .4963 .4964

2.7

 .4965 .4966 .4967 .4968 .4960 .4970 .4971 .4972 .4973 .4974

2.8

 .4974 .4975 .4976 .4977 .4977 .4978 .4979 .4979 .4980 .4981

2.9

 .4981 .4982 .4982 .4983 .4984 .4984 .4985 .4985 .4986 .4986

3.0

 .4987 .4987 .4987 .4988 .4998 .4989 .4989 .4989 .4990 .4990

3.1

 .4990 .4991 .4991 .4991 .4992 .4992 .4992 .4992 .4993 .4993

3.2

 .4993 .4993 .4994 .4994 .4994 .4994 .4994 .4995 .4995 .4995

3.3

 .4995 .4995 .4995 .4996 .4996 .4996 .4996 .4996 .4996 .4997

3.4

 .4997 .4997 .4997 .4997 .4997 .4997 .4907 .4997 .4997 .4998

3.5

 .4998 .4998 .4998 .4998 .4998 .4998 .4998 .4998 .4998 .4998

3.6

 .4998 .4998 .4999 .4999 .4999 .4999 .4999 .4999 .4999 .4999

3.7

 .4999 .4999 .4999 .4999 .4999 .4999 .4999 .4999 .4999 .4999

3.8

 .4999 .4999 .4999 .4999 .4999 .4999 .4999 .4999 .4999 .4999

3.9

 .5000 .5000 .5000 .5000 .5000 .5000 .5000 .5000 .5000 .5000