What is the z* critical value for constructing an 88% confidence interval for a proportion? Find the z-table here. 1.17 1.28 1.55 1.65
What is the z* critical value for constructing an 88% confidence interval for a proportion? Find the z-table here. 1.17 1.28 1.55 1.65
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
What is the z* critical value for constructing an 88% confidence interval for a proportion?
Find the z-table here.
1.17
1.28
1.55
1.65

Transcribed Image Text:Table entry for z is the area under the standard Normal curve to the left of z.
.00
.01
.02
.03
.04
.05
.06
.07
.08
.09
.5279
.5359
.5753
0.0
.5000
.5040
.5080
.5120
.5160
.5199
.5239
.5319
0.1
.5398
.5438
.5478
.5517
.5557
.5596
.5636
.5675
.5714
0.2
.5832
.5871
.5910
.5987
.6141
.5793
.6179
.5948
.6026
.6064
.6103
.6517
.6879
.7224
0.3
.6217
.6255
.6293
.6331
.6368
.6406
.6443
.6480
.6808
.7157
.6554
.6628
.6700
.6772
.6844
.7190
.6591
.6664
.6736
0.4
0.5
0.6
.7088
.7422
.7123
.6915
7257
.6950
.6985
.7324
.7019
.7357
.7054
7389
.7291
.7454
.7486
.7517
7549
0.7
.7580
.7611
.7642
.7673
.7704
.7734
.7764
.7794
.7823
.7852
.7939
.7995
.8078
.8340
0.8
.7881
.7910
.7967
.8023
.8051
.8106
.8133
0.9
.8159
.8186
.8212
.8238
.8264
.8289
.8315
.8365
.8389
.8438
.8665
.8869
.8485
.8708
.8907
.9082
.8508
.8729
.8554
.8770
1.0
.8413
.8461
.8531
.8577
.8599
.8621
.8830
.9015
1.1
.8686
.8749
.8790
.8810
.8643
.8849
1.2
.8888
.8925
.8944
.8962
.8980
.8997
.9131
.9162
.9032
.9192
1.3
.9049
.9066
.9099
.9115
.9147
.9177
.9265
.9394
1.4
.9207
.9222
.9236
.9251
.9279
.9292
.9306
.9319
.9382
.9495
1.5
.9332
.9345
.9357
.9370
.9406
.9418
.9429
.9441
.9525
.9535
.9545
.9463
.9564
.9649
.9505 .9515
.9599
.9678
1.6
.9452
.9554
.9474
.9573
.9484
.9608
.9686
.9625
.9699
.9633
9706
1.7
.9582
.9591
.9616
.9641
.9713
.9671
.9738
.9793
.9693
.9656
.9726
1.8
.9664
.9756
.9808
.9761
.9812
1.9
.9719
.9732
.9744
.9750
.9767
.9803
.9846
.9881
.9817
.9857
.9890
.9916
2.0
.9772
.9778
.9783
.9788
.9798
.9830
.9868
.9842
.9878
2.1
.9821
.9826
.9834
.9838
.9875
.9850
.9854
.9887
.9871
.9901
.9884
2.2
2.3
.9861
.9864
.9896
.9920
.9940
.9955 .9956
.9893
.9918
.9904
.9927
.9909
.9931
.9948
.9898
.9906
.9911
.9913
.9936
.9952
2.4
.9922
.9925
.9929
.9932
.9934
2.5
.9938
.9941
.9943
.9945
.9946
.9949
.9951
.9962 .9963
.9972 .9973
2.6
.9953
.9957
.9959
.9960 .9961
.9964
.9968
.9977
.9969
.9977 .9978 .9979
.9974
.9966
.9975 .9976
2.7
.9965
.9967
.9970 .9971
2.8
.9974
.9979 .9980
.9986
.9981
.9981
.9987
.9984
.9985
.9985
.9986
2.9
3.0
.9982
.9982
.9987
.9983
.9988
.9984
.9988
.9992
.9989
.9989
.9992 .9992
.9987
.9990
.9993
.9995
.9997
.9998
.9989
.9990
3.1
.9990
.9991
.9991
.9991
.9992
.9993
.9994
.9996
.9997
.9995
.9996
3.2
.9993
.9993
.9994
.9994
.9994
.9994
.9995
.9995
.9997
.9995
.9996
.9997
3.3
.9995
.9996
.9996
.9996
3.4
.9997
.9997
.9997
.9997
.9997
.9997

Transcribed Image Text:Probability
Table entry for z is the area under the standard Normal curve to the left of z.
.00
.01
.02
.03
.04
.05
.06
.07
.08
.09
-3.4
.0003
.0003
.0003
.0003
.0003
.0003
.0003
.0003
.0003
.0002
.0004
.0006
-3.3
.0005
.0005
.0005
.0004
.0004
.0004
.0004
.0004
.0003
-3.2
.0007
.0007
.0006
.0006
.0006
.0006
.0005
.0005
.0005
.0007
.0009
.0013
.0008
.0007
.0010
.0013
.0009
.0013
-3.1
.0009
.0008
.0008
.0008
-3.0
.0012
.0012
.0011
.0011
.0011
.0010
.0010
.0018
.0025
-2.9
.0019
.0018
.0017
.0016
.0016
.0015
.0015
.0014
.0014
-2.8
.0026
.0024
.0023
.0023
.0022
.0021
.0021
.0020
.0019
.0030
.0040
.0029
.0028
-2.7
-2.6
.0035
.0034
.0033
.0032
.0031
.0027
.0026
.0047
.0045
.0044
.0043
.0041
.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
.0094
.0122
.0158
.0096
.0089
.0102
.0132
-2.3
.0107
.0104
.0099
.0091
.0087
.0084
-2.2
.0139
.0136
.0129
.0113
.0110
.0125
.0162
.0119
.0116
-2.1
.0179
.0174
.0170
.0166
.0154
.0150
.0146
.0143
.0228
.0287
.0222
.0281
.0197
.0250
.0314
-2.0
.0217
.0212
.0207
.0202
.0192
.0188
.0183
-1.9
.0274
.0268
.0262
.0256
.0244
.0239
.0233
-1.8
.0359
.0351
.0344
.0336
.0329
.0322
.0307
.0301
.0294
-1.7
.0446
.0436
.0427
.0418
.0409
.0401
.0392
.0384
.0375
.0367
.0495
.0485
.0475
.0465
.0455
-1.6
-1.5
.0537
.0526
.0643
.0548
.0516
.0505
.0618
.0559
.0681
.0668
.0655
.0630
.0606
.0594
.0582
.0571
-1.4
.0808
.0793
.0778
.0764
.0749
.0735
.0721
.0708
.0694
-1.3
.0968
.0951
.0934
.0918
.0901
.0885
.0869
.0853
.0838
.0823
.0985
.1170
-1.2
.1093
.1056
.1038
.1020
.1003
.1151
.1357
.1131
.1112
.1075
-1.1
.1335
.1314
.1292
.1271
.1251
.1230
.1210
.1190
-1.0
.1587
.1562
.1539
.1515
.1492
.1469
.1446
.1423
.1401
.1379
.1762
.2033
.1711
.1977
-0.9
.1841
.1814
.1788
.1736
.1685
.1660
.1635
.1611
.2090
.2389
.2005
.2296
-0.8
.2119
.2061
.1949
.1922
.1894
.1867
-0.7
.2420
.2358
.2327
.2266
.2236
.2206
.2177
.2148
-0.6
.2743
.2709
.2676
.2643
.2611
.2578
.2546
.2514
.2483
.2451
.2912
.2877
.2843
.3050
.3409
.2810
.2776
-0.5
-0.4
.3085
.3015
.2981
.2946
.3372
.3745
.3446
.3336
.3300
.3264
.3121
.3228
.3594
.3192
.3156
.3632
.3557
-0.3
-0.2
.3821
.3783
.3707
.3669
.3520
.3483
.4052
.3859
.4013
.4404
.4207
.4168
.4129
.4090
.3974
.3936
.3897
.4483
.4880
-0.1
.4602
.4562
.4522
.4443
.4364
.4325
.4286
.4247
-0.0
.5000
.4960
.4920
.4840
.4801
.4761
.4721
.4681
.4641
Expert Solution

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