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The Normal
Distribution Page
The Standard
Deviation Page
The Business Section
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Areas in the Tail of the Normal Distribution
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Normal Distribution
Curve Areas (also called the areas in the tail of the normal distribution)
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z
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0.00
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0.01
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0.02
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0.03
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0.04
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0.05
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0.06
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0.07
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0.08
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0.09
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0.0
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0.0000
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0.0040
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0.0080
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0.0120
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0.0160
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0.0199
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0.0239
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0.0279
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0.0319
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0.0359
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0.1
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0.0398
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0.0438
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0.0478
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0.0517
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0.0557
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0.0596
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0.0636
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0.0675
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0.0714
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0.0753
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0.2
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0.0793
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0.0832
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0.0871
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0.0910
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0.0948
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0.0987
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0.1026
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0.1064
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0.1103
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0.1141
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0.3
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0.1179
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0.1217
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0.1255
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0.1293
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0.1331
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0.1368
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0.1406
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0.1443
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0.1480
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0.1517
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0.4
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0.1554
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0.1591
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0.1628
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0.1664
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0.1700
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0.1736
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0.1772
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0.1808
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0.1844
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0.1879
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0.5
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0.1915
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0.1950
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0.1985
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0.2019
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0.2054
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0.2088
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0.2123
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0.2157
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0.2190
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0.2224
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0.6
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0.2257
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0.2291
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0.2324
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0.2357
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0.2389
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0.2422
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0.2454
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0.2486
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0.2517
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0.2549
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0.7
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0.2580
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0.2611
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0.2642
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0.2673
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0.2704
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0.2734
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0.2764
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0.2794
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0.2823
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0.2852
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0.8
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0.2881
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0.2910
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0.2939
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0.2967
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0.2995
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0.3023
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0.3051
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0.3078
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0.3106
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0.3133
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0.9
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0.3159
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0.3186
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0.3212
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0.3238
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0.3264
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0.3289
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0.3315
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0.3340
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0.3365
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0.3389
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1.0
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0.3413
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0.3438
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0.3461
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0.3485
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0.3508
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0.3531
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0.3554
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0.3577
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0.3599
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0.3621
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1.1
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0.3643
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0.3665
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0.3686
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0.3708
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0.3729
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0.3749
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0.3770
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0.3790
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0.3810
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0.3830
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1.2
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0.3849
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0.3869
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0.3888
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0.3907
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0.3925
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0.3944
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0.3962
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0.3980
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0.3997
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0.4015
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1.3
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0.4032
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0.4049
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0.4066
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0.4082
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0.4099
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0.4115
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0.4131
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0.4147
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0.4162
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0.4177
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1.4
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0.4192
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0.4207
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0.4222
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0.4236
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0.4251
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0.4265
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0.4279
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0.4292
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0.4306
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0.4319
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1.5
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0.4332
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0.4345
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0.4357
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0.4370
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0.4382
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0.4394
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0.4406
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0.4418
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0.4429
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0.4441
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1.6
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0.4452
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0.4463
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0.4474
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0.4484
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0.4495
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0.4505
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0.4515
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0.4525
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0.4535
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0.4545
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1.7
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0.4554
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0.4564
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0.4573
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0.4582
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0.4591
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0.4599
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0.4608
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0.4616
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0.4625
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0.4633
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1.8
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0.4641
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0.4649
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0.4656
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0.4664
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0.4671
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0.4678
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0.4686
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0.4693
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0.4699
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0.4706
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1.9
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0.4713
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0.4719
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0.4726
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0.4732
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0.4738
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0.4744
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0.4750
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0.4756
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0.4761
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0.4767
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2.0
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0.4772
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0.4778
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0.4783
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0.4788
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0.4793
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0.4798
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0.4803
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0.4808
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0.4812
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0.4817
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2.1
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0.4821
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0.4826
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0.4830
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0.4834
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0.4838
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0.4842
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0.4846
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