Environmental Engineering Reference
In-Depth Information
APPENDIX C
STATISTICAL TABLES
C.1 AREAS UNDER THE STANDARD NORMAL CURVE
TABLE C.1. Areas under the Standard Normal Curve
z
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
−4.0
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
.0000
−3.9
−3.8
.0001
.0001
.0001
.0001
.0001
.0001
.0001
.0001
.0001
.0001
−3.7
.0001
.0001
.0001
.0001
.0001
.0001
.0001
.0001
.0001
.0001
−3.6
.0002
.0002
.0001
.0001
.0001
.0001
.0001
.0001
.0001
.0001
−3.5
.0002
.0002
.0002
.0002
.0002
.0002
.0002
.0002
.0002
.0002
−3.4
.0003
.0003
.0003
.0003
.0003
.0003
.0003
.0003
.0003
.0002
−3.3
.0005
.0005
.0005
.0004
.0004
.0004
.0004
.0004
.0004
.0003
−3.2
.0007
.0007
.0006
.0006
.0006
.0006
.0006
.0005
.0005
.0005
−3.1
.0010
.0009
.0009
.0009
.0008
.0008
.0008
.0008
.0007
.0007
.0013
.0013
.0013
.0012
.0012
.0011
.0011
.0011
.0010
.0010
−3.0
−2.9
.0019
.0018
.0018
.0017
.0016
.0016
.0015
.0015
.0014
.0014
−2.8
.0026
.0025
.0024
.0023
.0023
.0022
.0021
.0021
.0020
.0019
−2.7
.0035
.0034
.0033
.0032
.0031
.0030
.0029
.0028
.0027
.0026
−2.6
.0047
.0045
.0044
.0043
.0041
.0040
.0039
.0038
.0037
.0036
−2.5
.0062
.0060
.0059
.0057
.0055
.0054
.0052
.0051
.0049
.0048
−2.4
.0082
.0080
.0078
.0075
.0073
.0071
.0069
.0068
.0066
.0064
−2.3
.0107
.0104
.0102
.0099
.0096
.0094
.0091
.0089
.0087
.0084
−2.2
.0139
.0136
.0132
.0129
.0125
.0122
.0119
.0116
.0113
.0110
.0179
.0174
.0170
.0166
.0162
.0158
.0154
.0150
.0146
.0143
−2.1
−2.0
.0228
.0222
.0217
.0212
.0207
.0202
.0197
.0192
.0188
.0183
−1.9
.0287
.0281
.0274
.0268
.0262
.0256
.0250
.0244
.0239
.0233
−1.8
.0359
.0351
.0344
.0336
.0329
.0322
.0314
.0307
.0301
.0294
.0446
.0436
.0427
.0418
.0409
.0401
.0392
.0384
.0375
.0367
−1.7
−1.6
.0548
.0537
.0526
.0516
.0505
.0495
.0485
.0475
.0465
.0455
−1.5
.0668
.0655
.0643
.0630
.0618
.0606
.0594
.0582
.0571
.0559
−1.4
.0808
.0793
.0778
.0764
.0749
.0735
.0721
.0708
.0694
.0681
Continued
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