Table V z -3.4 -3.3 -3.2 -3.1 -3.0 -2.9 -2.8 -2.7 -2.6 -2.5 -2.4 -2.3 -2.2 -2.1 -2.0 -1.9 -1.8 -1.7 -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 -0.0 0.00 0.0003 0.0005 0.0007 6.0019 0.0018 U 0.0019 0.0026 0.0035 0.0047 0.0062 0.0179 0.0228 0,0808 0.0968 0.01 0.0003 0.0005 0.1151 0.1357 0.1587 0.0007 0.0009 0.0013 0.0287 0.0281 0.0359 0.0351 0.0446 0.0436 0.0537 0.0548 0.0668 0.0655 0.0082 0,0080 0.0078 0.0107 0.0104 0.0102 0.0139 0.0132 0.0170 0.0217 0.4207 0.4602 0.5000 0.0136 0.0174 0.0222 0.0018 0.0018 0.0025 0.0034 0.0045 0.0044 0,0060 0.0059 0.0793 0.0951 0.1131 0.1335 0.1562 0.02 0.0003 0.0003 0.0003 0.0005 0.0004 0.0004 0.0006 0.0009 0.0006 0.0009 0.0013 0.0012 0.4168 0.4562 0,4960 Standard Normal Distribution 0.03 0.04 0.05 0.0778 0.0934 0.1112 0.1314 0.1539 0.1841 0.1814 0.2119 0.2090 0.2061 0.2420 0.2389 0.2358 0.2709 0.3050 0.2676 0.2743 0.3085 0.3015 0.0016 0.0015 0.0016 0.0024 0.0023 0.0022 0.0021 0,0033 0.0032 0.0031 0.0030 0.0029 0.0043 0.0041 0.0040 0.0039 0.0057 0.0055 0.0054 0.0052 0.0071 0.0094 0.0017 0.0023 0.0274 0.0268 0.0344 0.0336 0.0427 0.0418 0.0516 0.0526 0.0643 0.0630 0.4129 0.4522 0.4920 0.0075 0.0073 0.0099 0.0096 0.0129 0.0166 0.0212 0.0764 0.0918 0.3446 0.3409 0.3372 0.3336 0.3821 0.3783 0.3745 0.3707 0.1093 0.1292 0.1515 0.0006 0.0008 0.0012 0.4090 0.4483 0.4880 0.1788 0.1762 0.1736 0.2033 0.2327 0.2643 0.2981 0.0125 0.0162 0.0122 0.0158 0.020ar9256 0.0202 0.0749 0.0901 0.1075 0.1271 0.1492 0.0262 0.0322 0.0329 0.0409 0.04014 0.0505 0.0618 0.0495 0.0606 0.0735 0.0885 0.06 0.0003 0.0004 0.0006 0.0006 0.0008 0.0008 0.0011 0.0011 0.0003 0.0004 0.2296 0.2611 0.2946 0.3300 0.3669 0.1711 0.2005 0.1977 0.2266 0.4052 0.4443 0.4840 0.1056 0.1251 0.1469 0.2578 0.2912 0.3264 0.3632 0.4013 0.4404 0.4801 0.0069 0.0091 0.0119 0.0154 0.0197 0.07 0.0003 0.0004 0.0005 0.0008 0.0011 0.1685 0.1949 0.2236 0.0015 0.0021 0.0028 0.0038 0.0051 0.3228 0.3594 0.3974 0.4364 0.4761 0.0068 0.0089 0.0066 0.0087 0.0116 0.0113 0.0150 0.0146 0.0192 0.0188 0.0721 -0.0798. 0.0694 0.0869 0.0853 0.0838 0.1038 0.1020 079 70,1003 0.1230 0.1190 0.1446 0.1401 0.1210 0.1423 0.08 0.0003 0.0004 0.0005 0.0007 0.0010 0.1660 0.1922 0.2206 0.2546 0.2514 0.2877 0.2843 0.0014 0.0020 0.0027 0.0037 0.0049 0.3192 0.3557 0.3936 0.4325 0.4721 0.0250 0.0244 0.0239 0.0233 0.0294 0.0307 0.0301 0.0384 0.0367 0.0314 0,0392 0.0375 0.0485 0.0475 0.0465 0.0594 0.0582 0.0571 0.0559 0.0455 0.1635 0.1894 0.2177 0.2483 0.2810 0.09 0.0002 0.0003 0.3156 0.3520 0.3897 0.4286 0.4681 0.0005 0.0007 0.0010 0.0014 0.0019 0.0026 0.0036 0.0048 0.0064 0.0084 0.0110 0.0143 0.0183 0.0681 0.0823 0.0985 0.1170 0.1379 0.1611 0.1867 0.2148 0.2451 0.2776 0.3121 0.3483 0.3859 0.4247 0.4641 ZOOM +
Table V z -3.4 -3.3 -3.2 -3.1 -3.0 -2.9 -2.8 -2.7 -2.6 -2.5 -2.4 -2.3 -2.2 -2.1 -2.0 -1.9 -1.8 -1.7 -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 -0.0 0.00 0.0003 0.0005 0.0007 6.0019 0.0018 U 0.0019 0.0026 0.0035 0.0047 0.0062 0.0179 0.0228 0,0808 0.0968 0.01 0.0003 0.0005 0.1151 0.1357 0.1587 0.0007 0.0009 0.0013 0.0287 0.0281 0.0359 0.0351 0.0446 0.0436 0.0537 0.0548 0.0668 0.0655 0.0082 0,0080 0.0078 0.0107 0.0104 0.0102 0.0139 0.0132 0.0170 0.0217 0.4207 0.4602 0.5000 0.0136 0.0174 0.0222 0.0018 0.0018 0.0025 0.0034 0.0045 0.0044 0,0060 0.0059 0.0793 0.0951 0.1131 0.1335 0.1562 0.02 0.0003 0.0003 0.0003 0.0005 0.0004 0.0004 0.0006 0.0009 0.0006 0.0009 0.0013 0.0012 0.4168 0.4562 0,4960 Standard Normal Distribution 0.03 0.04 0.05 0.0778 0.0934 0.1112 0.1314 0.1539 0.1841 0.1814 0.2119 0.2090 0.2061 0.2420 0.2389 0.2358 0.2709 0.3050 0.2676 0.2743 0.3085 0.3015 0.0016 0.0015 0.0016 0.0024 0.0023 0.0022 0.0021 0,0033 0.0032 0.0031 0.0030 0.0029 0.0043 0.0041 0.0040 0.0039 0.0057 0.0055 0.0054 0.0052 0.0071 0.0094 0.0017 0.0023 0.0274 0.0268 0.0344 0.0336 0.0427 0.0418 0.0516 0.0526 0.0643 0.0630 0.4129 0.4522 0.4920 0.0075 0.0073 0.0099 0.0096 0.0129 0.0166 0.0212 0.0764 0.0918 0.3446 0.3409 0.3372 0.3336 0.3821 0.3783 0.3745 0.3707 0.1093 0.1292 0.1515 0.0006 0.0008 0.0012 0.4090 0.4483 0.4880 0.1788 0.1762 0.1736 0.2033 0.2327 0.2643 0.2981 0.0125 0.0162 0.0122 0.0158 0.020ar9256 0.0202 0.0749 0.0901 0.1075 0.1271 0.1492 0.0262 0.0322 0.0329 0.0409 0.04014 0.0505 0.0618 0.0495 0.0606 0.0735 0.0885 0.06 0.0003 0.0004 0.0006 0.0006 0.0008 0.0008 0.0011 0.0011 0.0003 0.0004 0.2296 0.2611 0.2946 0.3300 0.3669 0.1711 0.2005 0.1977 0.2266 0.4052 0.4443 0.4840 0.1056 0.1251 0.1469 0.2578 0.2912 0.3264 0.3632 0.4013 0.4404 0.4801 0.0069 0.0091 0.0119 0.0154 0.0197 0.07 0.0003 0.0004 0.0005 0.0008 0.0011 0.1685 0.1949 0.2236 0.0015 0.0021 0.0028 0.0038 0.0051 0.3228 0.3594 0.3974 0.4364 0.4761 0.0068 0.0089 0.0066 0.0087 0.0116 0.0113 0.0150 0.0146 0.0192 0.0188 0.0721 -0.0798. 0.0694 0.0869 0.0853 0.0838 0.1038 0.1020 079 70,1003 0.1230 0.1190 0.1446 0.1401 0.1210 0.1423 0.08 0.0003 0.0004 0.0005 0.0007 0.0010 0.1660 0.1922 0.2206 0.2546 0.2514 0.2877 0.2843 0.0014 0.0020 0.0027 0.0037 0.0049 0.3192 0.3557 0.3936 0.4325 0.4721 0.0250 0.0244 0.0239 0.0233 0.0294 0.0307 0.0301 0.0384 0.0367 0.0314 0,0392 0.0375 0.0485 0.0475 0.0465 0.0594 0.0582 0.0571 0.0559 0.0455 0.1635 0.1894 0.2177 0.2483 0.2810 0.09 0.0002 0.0003 0.3156 0.3520 0.3897 0.4286 0.4681 0.0005 0.0007 0.0010 0.0014 0.0019 0.0026 0.0036 0.0048 0.0064 0.0084 0.0110 0.0143 0.0183 0.0681 0.0823 0.0985 0.1170 0.1379 0.1611 0.1867 0.2148 0.2451 0.2776 0.3121 0.3483 0.3859 0.4247 0.4641 ZOOM +
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Find the 95% confidence interval for the standard deviation of the lengths of pipes used for plumbing, if a sample of 21 pipes had a standard deviation of 6.3 cm. (Round values to 3 decimal places)
Transcribed Image Text:Z
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
0.00
0.01
0.5000
0.5040
0.5398 0.5438
0.5793
0.6179
0.6554
0.6915
0.7257
op
0.7580
0.7881
0.8159
0.8413
0.8643
0.8849
0.9032
0.9192
0.9332
0.9452
0.9554
0.9641
0.9713
0.9772
0.9821
0.9861
0.9893
0.9918
0.9938
0.9953
0.9965
0.9974
0.9981
0.9987
0.9990
0.9993
0.9995
0.9997
0.5832
0,6217
0.6950
0.7291
0.7611
0.7910
0.8186
0.8438
0.8665
0.8869
0.9049
0.9207
0.9345
0.9463
0.9564
0.9649
0.9719
0.9778
0.9826
0.9864
0.9896
0.9920
0.9940
0.9955
0.9966
0.9975
0.9982
0.9987
0.9991
0.9993
0.9995
0.9997
0.02
0.5080
0.5478
0.5871
0.6255
0.6628
0.6985
0.8461
0.8686
0.8888
0.9066
0.9222
0.9357
0.9474
0.7642 0.7673
0.7939
O
0.7967
0.8238
0.8212
0.9573
0.9656
0.9726
0.9783
0.9830
0.9868
0.9898
0.9922
0.9941
0.9956
0.9967
0.9976
0.9982
0.9987
0.9991
0.03
0.9994
0.9995
0.9997
0.5120
0.5517
0.5910
0.6293
0.6664
0.7019
0.7357
0.9370
0.9484
0.9582
0.9664
0.9732
0.8485 0.8508
78
0.8708 6.8729
0.8925
0.8907
0.9082
0.9099
0.9236
0.9251
0.9788
0.9834
0.9871
0.9901
0.9925
0.9943
0.9957
0.9968
0.9977
0.9983
0.9988
0.9991
0.04
0.5160
0.5557
0.5948
0.6331
0.6700
0.9994
0.9996
0.9997
0.7054
0.7389
0.7704
0.7995
0.8264
0.9382
0.9495
0.9591
0.9671
0.9738
0.9793
0.9838
0.9875
0.9904
0.9927
0.9945
0.9959
0.9969
0.9977
0.9984
0.9988
0.9992
0.9994
0.9996
0.9997
0.05
0.5199
0.5596
0.5987
0.6368
0.6736
0.7088
0.7422
0.7734
0.8023
0.8289
0.8531
0.8749
0.9599
0.9678
0.9744
0.9798
0.9842
0.9878
0.9906
0.9929
0.9946
0.9960
0.9970
0.9978
0.9984
0.9989
0.9992
0.06
0.5239
0.5636
0.6026
0.6406
0.6772
0.8554 0.8577
0.8770
0.8790
0.8944
0.8962
0.9115
e9265
0.9394709515
0.9131
0.9279
6.9608
0.9686
0.9750
0.9994
0.9996
0.9997
0.7123
0.7454
0.7764
0.8051
0.8315
0.9803
0.9846
0.9881
0.9909
0.9931
0.9948
0.9961
0.9971
0.9979
0.9985
0.07
0.5279
0.5675
0.9989
0.9992
0.9994
0.9996
0.9997
0.6064
0.6443
0.6808
0.7157
0.7486
0.7794
0.8078
0.8340
0.8980
0.9147
0.9292
0.9418
0.9525
0.9616
0.9693
0.9756
de
0.9808
0.9850
0.9884
0.9911
0.9932
0.9949
0.9962
0.9972
0.9979
0.9985
0.9989
0.9992
0.9995
0.9996
0.9997
0.08
0.5319
0.5714
0.6103
0.6480
0.6844
0.7190
0.7517
0.7823
0.8106
0.8365
0.8599
0.8810
0.8997
0.9162
0.9306
0.9429
0.9535
0.9625
0.9699
0.9761
0.9812
6.9887
0.9913
0.9934
0.9951
0.9963
0.9973
0.9980
0.9986
0.9990
0.9993
0.9995
0.9996
0.9997
0.09
0.5359
0.5753
0.6141
0.6517
0.6879
0.7224
0.7549
0.7852
0.8133
0.8389
0.8621
0.8830
0.9015
0.9177
0.9319
0.9441
0.9545
0.9633
0.9706
0.9767
0.9817
0.9857
0.9890
0.9916
0.9936
0.9952
0.9964
0.9974
0.9981
0.9986
0.9990
0.9993
0.9995
0.9997
0.9998
Transcribed Image Text:Table V
z
-3.4
-3.3
-3.2
-3.1
-3.0
-2.9
-2.8
-2.7
-2.6
-2.5
-2.4
-2.3
-2.2
-2.1
-2.0
-1.9
-1.8
-1.7
-1.6
-1.5
-1.4
-1.3
-1.2
-1.1
-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
-0.0
0.00
0.0003
0.0005
0.0007
0.0003
0.0005
0.0007
0.0009
0.0013 VI0.0018
0.0013
0.0019
0.0026
C
0.0035
0.0047
0.0062
0.0082
0.0107
0.0139
0.0179
0.0228
0.0287
0.0359
0.0446
0.0548
0.0668
0.0808
0.0968
0.1151
0.1357
0.1587
0.1841
0.2119
0.2420
0.2743
0.3085
0.01
0.3446
0.3821
0.4207
0.4602
0.5000
0,0025
0.0034
0.0045
0.0060
0.0080
0.0104
0.0136
0.0174
0.0222
0.0281
0.0351
0.0436
0.0537
0.0655
0.0793
0.0951
0.1131
0.1335
0.1562
0.3409
0.3783
0.02
0.0003
0.0005
0.4168
0.4562
0.4960
0.0006
0.0009
0.0013
0.0018
0.0024
0,0033
0.0044
0.0059
ht
0.0274
0.0344
0.0427
0.0526
0.0643
0.0778
0.0934
0.1112
0.1314
0.1539
0.0078
0.0075
0.0102 0.0099
0.0132
0.0170
0.0217
0.1788
0.2061
Standard Normal Distribution
0.05
0.03
0.04
0.3372
0.3745
0.0003 0.0003
0.0004 0.0004
0.0006
0.0006
0.0009 0.0008
0.0012
0.0012
0.4129
0.4522
0.4920
0.0017
0.0023
0.0032
0.0043
0.0057
0.0268
0.0336
0.0418
0.0516
0.0630
0.1814
0.2090
0.2389 0.2358 0.2327
0.2709
0.2676
0.2643
0.3050
0.3015
0.2981
0.0129 0.0125
0.0166
0.0162
0.0212
0.0764
0.0918
0.1093
0.1292
0.1515
0.1762
0.2033
0.3336
0.3707
0.0016
0.0023
0.4090
0.4483
0.4880
0.0031
0.0041
0.0055
0.0073
0.0096
0.0262
0.0329
0.0409
0.0505
0.0618
0.0749
0.0901
0.1075
0.1271
0.1492
1207ar 0.0256
0.0322
0.0401
0.0495
0.0606
0.1736
0.2005
0.2296
0.2611
0.2946
0.3300
0.3669
0.06
0.0003 0.0003
0.0004 0.0004
0.0006
0.0008
0.0011
0.4052
0.4443
0.4840
0.0006
0.0008
0.0011
0.0016
0.0022
0.0030
0.0040
0.0054
0.0071
0.0094
0.0122
0.0158
0.0202
0.0735
0.0885
0.1056
0.1251
0.1469
0.1711
0.1977
0.2266
0.2578
0.2912
0.3264
0.3632
0.4013
0.4404
0.4801
0.0015
0.0021
0.0029
0.0039
0.0052
0.0069
0.0091
0.0119
0.0154
0.0197
0.0250
0.0314
0.0392
0.0721
0.0869
0.1038
0.1230
0.1446
0.0244
0.0307
0.0384
0.0475
0.06594 C 0.0798
0.0582
0.0853
0.1020
0.1210
0.1423
0.1685
0.1949
0.2236
0.2546
0.2877
0.07
0.0003
0.0004
0.3228
0.3594
0.3974
0.4364
0.4761
0.0005
0.0005
0.0008 0.0007
0.0011
0.0010
0.0015
0.0021
0.0028
0.0038
0.0051
0.0068
0.0089
0.0116
0.0150
0.0192
0.1660
0.1922
0.2206
0.2514
0.2843
0.3192
0.3557
0.08
0.0003
0.0004
0.3936
0.4325
0.4721
0.0014
0.0020
0.0027
0.0037
0.0049
0.0066
0.0087
0.0113
0.0146
0.0188
0.0239
0.0301
0.0375
0.0465
0.0571
0.0694
0.0838
Or
70,1003
0.1190
0.1401
0.1635
0.1894
0.2177
0.2483
0.2810
0.3156
0.3520
0.3897
0.4286
0.4681
C
0.09
0.0002
0.0003
0.0005
0.0007
0.0010
0.0014
0.0019
0.0026
0.0036
0.0048
0.0064
0.0084
0.0110
0.0143
0.0183
0.0233
0.0294
0.0367
0.0455
0.0559
0.0681
0.0823
0.0985
0.1170
0.1379
0.1611
0.1867
0.2148
0.2451
0.2776
0.3121
0.3483
0.3859
0.4247
0.4641
ZOOM
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