Compute the critical value z/2 that corresponds to a 89% level of confidence. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). Za/2 (Round to two decimal places as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question

3

Compute the critical value z,/2 that corresponds to a 89% level of confidence.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
.....
Za/2 =
(Round to two decimal places as needed.)
Transcribed Image Text:Compute the critical value z,/2 that corresponds to a 89% level of confidence. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). ..... Za/2 = (Round to two decimal places as needed.)
Page 1
Page 2
Aa
Area-
Standard Normal Distribution
Standard Normal Distribution
0,00
0.01
0.02
0.03
0.04
0.05
0,06
0,07
0.08
0.09
0,00
0,01
0.02
0,03
0,04
0.05
0.06
0,07
0,08
0,09
-34
-33
-3.2
-31
-30
0.0003
0.0005
0.0007
0.0010
0.0013
0.0003
0.0005
0.0007
0.0009
0.0013
0.0003
0,0005
0.0006
0.0009
0.0013
0.0003
0.0004
0.0006
0.0009
0.0003
0.0004
0.0006
0.0008
0.0012
0.0003
0.0004
0.0006
0.0008
0.0011
0.0003
0.0004
0.0005
0.0008
0.0011
0.0003
0.0004
0.0005
0.0007
0.0010
0.0002
0.0003
0.0005
0.0007
0.0010
0.0
0.1
0.2
0.5000
0.5398
0.5793
0.6179
0.6554
0.5040
0.5438
0.5832
0.5080
0.5478
0.5871
0.5120
05517
0.5910
0.5160
0.5557
0.5948
0.5199
0.5596
0.5987
0.5239
0.5636
0.6026
0.6406
0.6772
0.5279
0.5675
0.6064
0.5319
0.5714
0.6103
0.6480
0.6844
0.5359
0.5753
0.6141
0.6517
0,6879
0,0003
0.0004
0.0006
0.0008
0.0011
0.3
0.4
0.6217
0.6591
0.6255
0.6628
0.6293
0,6664
0.6331
0.6700
0.6368
0.6736
0.6443
0.6808
0.0012
0.5
0.6
0.7
0.8
0.9
0.6915
0.7257
0.7580
0.7881
0.8159
0,6950
0.7291
0.7611
0.7910
0.8186
0,6985
0.7324
0.7642
0.7939
0.8212
0.7019
0.7357
0.7673
0.7054
0.7389
0,7704
0.7088
0.7422
0.7734
0.8023
0.7157
0.7486
0.7794
0.8078
0.8340
0.7190
0.7517
0.7823
0.8106
0.8365
0.7224
0.7549
0,7852
0.8133
0,8389
0.7123
0.0014
0.0019
0.0026
0.0036
0,0048
0.0018
0.0025
0.0034
0.0045
0.0060
0.0080
0.0104
0.0136
0.0174
0.0222
0.0019
0.0026
0.0035
0.0047
0.0062
0.0018
0.0024
0.0033
0,0044
0.0059
0.0016
0,0023
0.0031
0.0041
0.0055
0.0015
0.0021
0.0029
0.0039
0.0052
0.0015
0.0021
0.0028
0.0038
0.0051
0.0014
0.0020
0.0027
0.0037
0.0049
-29
-2.7
-2.6
-2.5
0.0017
0.0023
0.0032
0.0043
0.0057
0.0016
0.0022
0.0030
0.0040
0.0054
0.7454
0.7764
0.8051
08315
0.7967
0.8238
0.7995
0.8264
0.8289
0.8599
0.8810
08413
0.8643
0.8849
0.9032
0.9192
0.8438
0.0082
0.0107
0.0139
0.0179
0.0228
0.0078
0.0102
0.0132
0.0170
0.0217
0.0075
0.0099
0.0129
0.0166
0.0212
0,0073
0.0096
0.0125
0.0162
0,0207
0.0071
0.0094
0.0122
0.0158
0.0202
0.0068
0.0089
0.0116
0.0150
0.0192
0.0066
0.0087
0.0113
0.0146
0.0188
0.0064
0.0084
0.0110
0.0143
0,0183
1.0
1.1
1.2
13
1.4
0.8461
0.8686
0.8888
0.9066
0.9222
0,8485
0.8708
0.8907
0.8508
0.8729
0.8925
0.9099
0.9251
0.8531
0.8749
0.8944
0.9115
0.9265
0.8554
0.8770
0.8962
0,9131
0.9279
0.8577
0.8790
0.8980
0.9147
0.9292
0.8621
0.8830
0.9015
0.9177
0.9319
-24
0.0069
-23
-2.2
-2.1
-2.0
0.0091
0.0119
0.0154
0,0197
0.8665
0.8869
0.9049
0.9207
0.8997
0.9162
0.9306
1.5
1.6
1.7
18
0.9332
0.9452
0.9554
0.9641
0.9713
0.9345
09463
0.9564
0 0649
0,9719
0.9357
0.9474
0.9573
0 9656
0.9726
0.9082
0.9236
0,9370
0.9484
0.9582
0.9394
0,9505
0.9590
O 0678
0.9406
0.9515
0.9608
0.9686
0.9750
0.9429
0.9535
0,9625
0.9441
0.9545
0.9633
09706
0.9767
0.0268
-1.9
-L8
-1.7
0.0281
0.0351
0.0436
0.0537
0.0655
0.0256
0.0322
0.0401
0.0495
0.0606
0.0239
0.0301
0.0375
0.0465
0.0571
0,9382
0.9495
0.9591
0.9418
0.9525
0.9616
0 0603
0.9756
0.0250
0.0287
0.0359
0.0446
0.0548
0.0668
0.0274
0.0262
0.0329
0.0409
0.0505
0.0618
0.0244
0.0307
0.0384
0.0475
0.0582
0.0233
0.0294
0.0367
0.0344
0,0427
0,0526
0.0643
0.0336
0.0418
0.0516
0,0630
0.0314
0.0392
0.0485
0.0594
0.9664
0.9732
0.9699
0.9761
0.9671
-1.6
-1.5
0.0455
0.0559
1.9
0.9738
0,9744
-14
-13
-12
0.0808
0.0968
01151
0.1357
0.1587
0.0793
0.0951
0.1131
0.1335
0.1562
0.0778
0.0934
01112
0.1314
0.1539
0.0764
0.0918
0.1093
0.1292
0.1515
0.0749
0.0001
0.1075
0.1271
0.1492
0.0735
0.0885
0.1056
0.0721
0.0869
01038
0.0708
0.0853
0.1020
0.1210
0.1423
0.0694
0.0838
0.1003
0.1190
0.1401
0.0681
0.0823
0,0085
0.1170
0.1379
2.0
2.1
2.2
2.3
0.9772
0.9821
0.9861
0.9893
0.9918
0.9778
0.9826
0.9864
0.9896
0.9920
0.9783
09830
0.9868
0.9898
0.9922
0.9788
0.9834
0.9871
0.9901
0.9925
0.9793
0.9838
0.9875
0.9798
0.9842
0,9878
0.9906
0.9929
0.9803
0.9846
0.9881
0.9909
0.9931
0.9808
0.9850
0.9884
0.9812
0.9854
0.9887
0.9817
0.9857
0.9890
-1.1
-10
0.1251
0.1469
0.1230
0.1446
0.9904
0.9927
0.9911
0.9932
0.9913
0.9934
0.9916
0.9936
2.4
0.1841
0.2119
0.2420
0.2743
0.3085
0.1814
0.2090
0,2389
0.2709
0.3050
0.1788
0.2061
0.2358
0.2676
0.3015
0.1762
0.2033
0.2327
0.1736
0,2005
0.2296
0.2611
0.2946
01685
0.1949
0.2236
0.2546
0.2877
0.1660
0.1922
02206
0.1635
0.1894
02177
2.5
2.6
27
0.9938
0.9953
0.9065
0,9940
0.9955
0,9066
0.9975
0,9082
09041
0.9956
0,9967
0.9943
0.9957
0.9968
0.9977
0.9083
0.9945
0,9959
0.9969
0.9977
0.9984
0.9946
0.9960
0.9970
0.9048
0,9961
0.9971
0.9979
0.9985
0.9949
0.9962
0.9972
0.9951
0.9963
0.9973
0,9980
0.9986
0.9052
-0.9
-08
-0.7
0.1711
0.1977
0.2266
0,2578
0.2912
0.1611
0.1867
0.9964
0.9974
0.2643
0.2981
0.2514
02843
0.2483
0.2810
0,2148
02451
0.2776
0.9974
0.9981
0.9981
0 9986
2.8
0.9976
0.9982
0.9978
0.9084
0.9979
0.9985
-05
-04
-03
-0.2
0.3446
0.3821
0.4207
0.4602
0.5000
0.3409
0.3783
0.4168
04562
0.4960
0.3372
0.3745
0.4129
04522
0,4920
0.3336
0.3707
0.4000
0.4483
0.4880
0.3300
0.3669
0.4052
0.4443
0,4840
0.3264
03632
04013
0.4404
0.4801
0.3228
0.3504
0.3974
0.4364
0.4761
0.3192
0.3557
0.3036
0.4325
0.4721
03156
0.3520
0.3897
0.3121
0.3483
0,3850
3.0
3.1
3.2
33
0.9987
0.9990
0.9993
0.9995
0.9997
0.9987
0.9901
0.9993
0.9005
0,9987
0.9991
0.9904
0.9995
0.9988
0.9901
0.9994
0.9996
0.9988
0.9992
0.9994
0.9906
0.9997
0.9989
0.9092
0.9994
0.9006
0.9989
0.9902
0.9995
0.9996
0.9997
0.9990
0.9993
0.9905
0.9990
0.9993
0.9995
0.9997
0.9998
0.9089
0.9002
0.9904
0.9006
0.9997
0.4286
04681
0.4247
0.4641
-0.1
0.9906
0.9997
3.4
0.9997
0.9997
0.9997
0.9997
0,00
0.01
0,02
0,03
0,04
0,05
0.06
0.07
0,08
0.09
0.00
0,01
0.02
0.03
0.04
0.05
0.06
0,07
0.08
0.09
Transcribed Image Text:Page 1 Page 2 Aa Area- Standard Normal Distribution Standard Normal Distribution 0,00 0.01 0.02 0.03 0.04 0.05 0,06 0,07 0.08 0.09 0,00 0,01 0.02 0,03 0,04 0.05 0.06 0,07 0,08 0,09 -34 -33 -3.2 -31 -30 0.0003 0.0005 0.0007 0.0010 0.0013 0.0003 0.0005 0.0007 0.0009 0.0013 0.0003 0,0005 0.0006 0.0009 0.0013 0.0003 0.0004 0.0006 0.0009 0.0003 0.0004 0.0006 0.0008 0.0012 0.0003 0.0004 0.0006 0.0008 0.0011 0.0003 0.0004 0.0005 0.0008 0.0011 0.0003 0.0004 0.0005 0.0007 0.0010 0.0002 0.0003 0.0005 0.0007 0.0010 0.0 0.1 0.2 0.5000 0.5398 0.5793 0.6179 0.6554 0.5040 0.5438 0.5832 0.5080 0.5478 0.5871 0.5120 05517 0.5910 0.5160 0.5557 0.5948 0.5199 0.5596 0.5987 0.5239 0.5636 0.6026 0.6406 0.6772 0.5279 0.5675 0.6064 0.5319 0.5714 0.6103 0.6480 0.6844 0.5359 0.5753 0.6141 0.6517 0,6879 0,0003 0.0004 0.0006 0.0008 0.0011 0.3 0.4 0.6217 0.6591 0.6255 0.6628 0.6293 0,6664 0.6331 0.6700 0.6368 0.6736 0.6443 0.6808 0.0012 0.5 0.6 0.7 0.8 0.9 0.6915 0.7257 0.7580 0.7881 0.8159 0,6950 0.7291 0.7611 0.7910 0.8186 0,6985 0.7324 0.7642 0.7939 0.8212 0.7019 0.7357 0.7673 0.7054 0.7389 0,7704 0.7088 0.7422 0.7734 0.8023 0.7157 0.7486 0.7794 0.8078 0.8340 0.7190 0.7517 0.7823 0.8106 0.8365 0.7224 0.7549 0,7852 0.8133 0,8389 0.7123 0.0014 0.0019 0.0026 0.0036 0,0048 0.0018 0.0025 0.0034 0.0045 0.0060 0.0080 0.0104 0.0136 0.0174 0.0222 0.0019 0.0026 0.0035 0.0047 0.0062 0.0018 0.0024 0.0033 0,0044 0.0059 0.0016 0,0023 0.0031 0.0041 0.0055 0.0015 0.0021 0.0029 0.0039 0.0052 0.0015 0.0021 0.0028 0.0038 0.0051 0.0014 0.0020 0.0027 0.0037 0.0049 -29 -2.7 -2.6 -2.5 0.0017 0.0023 0.0032 0.0043 0.0057 0.0016 0.0022 0.0030 0.0040 0.0054 0.7454 0.7764 0.8051 08315 0.7967 0.8238 0.7995 0.8264 0.8289 0.8599 0.8810 08413 0.8643 0.8849 0.9032 0.9192 0.8438 0.0082 0.0107 0.0139 0.0179 0.0228 0.0078 0.0102 0.0132 0.0170 0.0217 0.0075 0.0099 0.0129 0.0166 0.0212 0,0073 0.0096 0.0125 0.0162 0,0207 0.0071 0.0094 0.0122 0.0158 0.0202 0.0068 0.0089 0.0116 0.0150 0.0192 0.0066 0.0087 0.0113 0.0146 0.0188 0.0064 0.0084 0.0110 0.0143 0,0183 1.0 1.1 1.2 13 1.4 0.8461 0.8686 0.8888 0.9066 0.9222 0,8485 0.8708 0.8907 0.8508 0.8729 0.8925 0.9099 0.9251 0.8531 0.8749 0.8944 0.9115 0.9265 0.8554 0.8770 0.8962 0,9131 0.9279 0.8577 0.8790 0.8980 0.9147 0.9292 0.8621 0.8830 0.9015 0.9177 0.9319 -24 0.0069 -23 -2.2 -2.1 -2.0 0.0091 0.0119 0.0154 0,0197 0.8665 0.8869 0.9049 0.9207 0.8997 0.9162 0.9306 1.5 1.6 1.7 18 0.9332 0.9452 0.9554 0.9641 0.9713 0.9345 09463 0.9564 0 0649 0,9719 0.9357 0.9474 0.9573 0 9656 0.9726 0.9082 0.9236 0,9370 0.9484 0.9582 0.9394 0,9505 0.9590 O 0678 0.9406 0.9515 0.9608 0.9686 0.9750 0.9429 0.9535 0,9625 0.9441 0.9545 0.9633 09706 0.9767 0.0268 -1.9 -L8 -1.7 0.0281 0.0351 0.0436 0.0537 0.0655 0.0256 0.0322 0.0401 0.0495 0.0606 0.0239 0.0301 0.0375 0.0465 0.0571 0,9382 0.9495 0.9591 0.9418 0.9525 0.9616 0 0603 0.9756 0.0250 0.0287 0.0359 0.0446 0.0548 0.0668 0.0274 0.0262 0.0329 0.0409 0.0505 0.0618 0.0244 0.0307 0.0384 0.0475 0.0582 0.0233 0.0294 0.0367 0.0344 0,0427 0,0526 0.0643 0.0336 0.0418 0.0516 0,0630 0.0314 0.0392 0.0485 0.0594 0.9664 0.9732 0.9699 0.9761 0.9671 -1.6 -1.5 0.0455 0.0559 1.9 0.9738 0,9744 -14 -13 -12 0.0808 0.0968 01151 0.1357 0.1587 0.0793 0.0951 0.1131 0.1335 0.1562 0.0778 0.0934 01112 0.1314 0.1539 0.0764 0.0918 0.1093 0.1292 0.1515 0.0749 0.0001 0.1075 0.1271 0.1492 0.0735 0.0885 0.1056 0.0721 0.0869 01038 0.0708 0.0853 0.1020 0.1210 0.1423 0.0694 0.0838 0.1003 0.1190 0.1401 0.0681 0.0823 0,0085 0.1170 0.1379 2.0 2.1 2.2 2.3 0.9772 0.9821 0.9861 0.9893 0.9918 0.9778 0.9826 0.9864 0.9896 0.9920 0.9783 09830 0.9868 0.9898 0.9922 0.9788 0.9834 0.9871 0.9901 0.9925 0.9793 0.9838 0.9875 0.9798 0.9842 0,9878 0.9906 0.9929 0.9803 0.9846 0.9881 0.9909 0.9931 0.9808 0.9850 0.9884 0.9812 0.9854 0.9887 0.9817 0.9857 0.9890 -1.1 -10 0.1251 0.1469 0.1230 0.1446 0.9904 0.9927 0.9911 0.9932 0.9913 0.9934 0.9916 0.9936 2.4 0.1841 0.2119 0.2420 0.2743 0.3085 0.1814 0.2090 0,2389 0.2709 0.3050 0.1788 0.2061 0.2358 0.2676 0.3015 0.1762 0.2033 0.2327 0.1736 0,2005 0.2296 0.2611 0.2946 01685 0.1949 0.2236 0.2546 0.2877 0.1660 0.1922 02206 0.1635 0.1894 02177 2.5 2.6 27 0.9938 0.9953 0.9065 0,9940 0.9955 0,9066 0.9975 0,9082 09041 0.9956 0,9967 0.9943 0.9957 0.9968 0.9977 0.9083 0.9945 0,9959 0.9969 0.9977 0.9984 0.9946 0.9960 0.9970 0.9048 0,9961 0.9971 0.9979 0.9985 0.9949 0.9962 0.9972 0.9951 0.9963 0.9973 0,9980 0.9986 0.9052 -0.9 -08 -0.7 0.1711 0.1977 0.2266 0,2578 0.2912 0.1611 0.1867 0.9964 0.9974 0.2643 0.2981 0.2514 02843 0.2483 0.2810 0,2148 02451 0.2776 0.9974 0.9981 0.9981 0 9986 2.8 0.9976 0.9982 0.9978 0.9084 0.9979 0.9985 -05 -04 -03 -0.2 0.3446 0.3821 0.4207 0.4602 0.5000 0.3409 0.3783 0.4168 04562 0.4960 0.3372 0.3745 0.4129 04522 0,4920 0.3336 0.3707 0.4000 0.4483 0.4880 0.3300 0.3669 0.4052 0.4443 0,4840 0.3264 03632 04013 0.4404 0.4801 0.3228 0.3504 0.3974 0.4364 0.4761 0.3192 0.3557 0.3036 0.4325 0.4721 03156 0.3520 0.3897 0.3121 0.3483 0,3850 3.0 3.1 3.2 33 0.9987 0.9990 0.9993 0.9995 0.9997 0.9987 0.9901 0.9993 0.9005 0,9987 0.9991 0.9904 0.9995 0.9988 0.9901 0.9994 0.9996 0.9988 0.9992 0.9994 0.9906 0.9997 0.9989 0.9092 0.9994 0.9006 0.9989 0.9902 0.9995 0.9996 0.9997 0.9990 0.9993 0.9905 0.9990 0.9993 0.9995 0.9997 0.9998 0.9089 0.9002 0.9904 0.9006 0.9997 0.4286 04681 0.4247 0.4641 -0.1 0.9906 0.9997 3.4 0.9997 0.9997 0.9997 0.9997 0,00 0.01 0,02 0,03 0,04 0,05 0.06 0.07 0,08 0.09 0.00 0,01 0.02 0.03 0.04 0.05 0.06 0,07 0.08 0.09
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The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman