If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make if ZSTAT=−1.52​? Determine the decision rule.

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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Related questions
Question

If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make if ZSTAT=−1.52​?

Determine the decision rule.

1
Cumulative Probablities
2 z
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
3
-6
1E-09
4
-5.5
1.9E-08
5
-4.5
3.398E-06
6
-4
3.167E-05
7
-3.9
0.00005
0.00005
0.00004
0.00004
0.00004
0.00004
0.00004
0.00004
0.00003
0.00003
0.00007
0.00005
0.00007
|
0.00006
0.0001|
8
-3.8
0.00007
0.00006
0.00006
0.00006
0.00005
0.00005
9
-3.7
0.00011
0.0001
0.0001
0.00009
0.00009
0.00008
0.00008
0.00008
0.00008
0.00015
0.00022
10
-3.6
0.00016
0.00015
0.00014
0.00014
0.00013
0.00013
0.00012
0.00012
0.00011
11
-3.5
0.00023
0.00022
0.00021
0.0002
0.00019
0.00019
0.00018
0.00017
0.00017
12
-3.4
0.00034
0.00032
0.00031
0.0003
0.00029
0.00028
0.00027
0.00026
0.00025
0.00024
13
-3.3
0.00048
0.00047
0.00045
0.00043
0.00042
0.0004
0.00039
0.00038
0.00036
0.00035
14
-3.2
0.00069
0.00066
0.00064
0.00062
0.0006
0.00058
0.00056
0.00054
0.00052
0.0005
15
-3.1
0.00097
0.00094
0.0009
0.00087
0.00084
0.00082
0.00079
0.00076
0.00074
0.00071
16
-3
0.00135
0.00131
0.00126
0.00122
0.00118
0.00114
0.00111
0.00107
0.00103
0.001
17
-2.9
0.0019
0.0018
0.0018
0.0017
0.0016
0.0016
0.0015
0.0015
0.0014
0.0014
18
-2.8
0.0026
0.0025
0.0024
0.0023
0.0023
0.0022
0.0021
0.0021
0.002
0.0019
0.0035
0.0047
0.0034
0.0045
0.0031
0.0027
0.0037
19
-2.7
0.0033
0.0032
0.003
0.0029
0.0028
0.0026
20
-2.6
0.0044
0.0043
0.0042
0.004|
0.0039
0.0038
0.0036
0.006
0.0049
0.0066
21
-2.5
0.0062
0.0059
0.0057
0.0055
0.0054
0.0052
0.0051
0.0048
22
-2.4
0.0082
0.008
0.0078
0.0075
0.0073
0.0071
0.0069
0.0068
0.0064
0.0104
0.0099
0.0091
0.0119
23
-2.3
0.0107
0.0102
0.0096
0.0094
0.0089
0.0087
0.0084
24
-2.2
0.0139
0.0136
0.0132
0.0129
0.0125
0.0122
0.0116
0.0113
0.011
25
-2.1
0.0179
0.0174
0.017
0.0166
0.0162
0.0158
0.0154
0.015
0.0146
0.0143
0.0228
0.0287
26
-2
0.0222
0.0217
0.0212
0.0207
0.0202
0.0197
0.0192
0.0188
0.0183
0.0268
0.0336
0.0418
0.0516
27
-1.9
0.0281
0.0274
0.0262
0.0256
0.025
0.0244
0.0239
0.0233
0.0359
0.0446
28
-1.8
0.0351
0.0344
0.0329
0.0322
0.0314
0.0307
0.0301
0.0294
29
-1.7
0.0436
0.0427
0.0409
0.0401
0.0392
0.0384
0.0375
0.0367
30
-1.6
0.0548
0.0537
0.0526
0.0505
0.0495
0.0485
0.0475
0.0465
0.0455
0.0668
0.0808
31
-1.5
0.0655
0.0643
0.063
0.0618
0.0606
0.0594
0.0582
0.0571
0.0559
32
-1.4
0.0793
0.0778
0.0764
0.0749
0.0735
0.0721
0.0708
0.0694
0.0681
33
-1.3
0.0968
0.0951
0.0934
0.0918
0.0901
0.0885
0.0869
0.0853
0.0838
0.0823
34
-1.2
0.1151
0.1131
0.1112
0.1093
0.1075
0.1056
0.1038
0.102
0.1003
0.0985
35
-1.1
0.1357
0.1335
0.1314
0.1292
0.1271
0.1251
0.123
0.121
0.119
0.117
36
-1
0.1587
0.1562
0.1539
0.1515
0.1492
0.1469
0.1446
0.1423
0.1401
0.1379
37
-0.9
0.1841
0.1814
0.1788
0.1762
0.1736
0.1711
0.1685
0.166
0.1635
0.1611
38
-0.8
0.2119
0.209
0.2061
0.2033
0.2005
0.1977
0.1949
0.1922
0.1894
0.1867
39
-0.7
0.242
0.2388
0.2358
0.2327
0.2296
0.2266
0.2236
0.2206
0.2177
0.2148
40
-0.6
0.2743
0.2709
0.2676
0.2643
0.2611
0.2578
0.2546
0.2514
0.2482
0.2451
41
-0.5
0.3085
0.305
0.3015
0.2981
0.2946
0.2912
0.2877
0.2843
0.281
0.2776
42
-0.4
0.3446
0.3409
0.3372
0.3336
0.33
0.3264
0.3228
0.3192
0.3156
0.3121
43
-0.3
0.3821
0.3783
0.3745
0.3707
0.3669
0.3632
0.3594
0.3557
0.352
0.3483
0.3897
0.4286
44
-0.2
0.4207
0.4168
0.4129
0.409
0.4052
0.4013
0.3974
0.3936
0.3859
45
-0.1
0.4602
0.4562
0.4522
0.4483
0.4443
0.4404
0.4364
0.4325
0.4247
46
0.5
0.496
0.492
0.488
0.484
0.4801
0.4761
0.4721
0.4681
0.4641
47
48
49
Transcribed Image Text:1 Cumulative Probablities 2 z 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 3 -6 1E-09 4 -5.5 1.9E-08 5 -4.5 3.398E-06 6 -4 3.167E-05 7 -3.9 0.00005 0.00005 0.00004 0.00004 0.00004 0.00004 0.00004 0.00004 0.00003 0.00003 0.00007 0.00005 0.00007 | 0.00006 0.0001| 8 -3.8 0.00007 0.00006 0.00006 0.00006 0.00005 0.00005 9 -3.7 0.00011 0.0001 0.0001 0.00009 0.00009 0.00008 0.00008 0.00008 0.00008 0.00015 0.00022 10 -3.6 0.00016 0.00015 0.00014 0.00014 0.00013 0.00013 0.00012 0.00012 0.00011 11 -3.5 0.00023 0.00022 0.00021 0.0002 0.00019 0.00019 0.00018 0.00017 0.00017 12 -3.4 0.00034 0.00032 0.00031 0.0003 0.00029 0.00028 0.00027 0.00026 0.00025 0.00024 13 -3.3 0.00048 0.00047 0.00045 0.00043 0.00042 0.0004 0.00039 0.00038 0.00036 0.00035 14 -3.2 0.00069 0.00066 0.00064 0.00062 0.0006 0.00058 0.00056 0.00054 0.00052 0.0005 15 -3.1 0.00097 0.00094 0.0009 0.00087 0.00084 0.00082 0.00079 0.00076 0.00074 0.00071 16 -3 0.00135 0.00131 0.00126 0.00122 0.00118 0.00114 0.00111 0.00107 0.00103 0.001 17 -2.9 0.0019 0.0018 0.0018 0.0017 0.0016 0.0016 0.0015 0.0015 0.0014 0.0014 18 -2.8 0.0026 0.0025 0.0024 0.0023 0.0023 0.0022 0.0021 0.0021 0.002 0.0019 0.0035 0.0047 0.0034 0.0045 0.0031 0.0027 0.0037 19 -2.7 0.0033 0.0032 0.003 0.0029 0.0028 0.0026 20 -2.6 0.0044 0.0043 0.0042 0.004| 0.0039 0.0038 0.0036 0.006 0.0049 0.0066 21 -2.5 0.0062 0.0059 0.0057 0.0055 0.0054 0.0052 0.0051 0.0048 22 -2.4 0.0082 0.008 0.0078 0.0075 0.0073 0.0071 0.0069 0.0068 0.0064 0.0104 0.0099 0.0091 0.0119 23 -2.3 0.0107 0.0102 0.0096 0.0094 0.0089 0.0087 0.0084 24 -2.2 0.0139 0.0136 0.0132 0.0129 0.0125 0.0122 0.0116 0.0113 0.011 25 -2.1 0.0179 0.0174 0.017 0.0166 0.0162 0.0158 0.0154 0.015 0.0146 0.0143 0.0228 0.0287 26 -2 0.0222 0.0217 0.0212 0.0207 0.0202 0.0197 0.0192 0.0188 0.0183 0.0268 0.0336 0.0418 0.0516 27 -1.9 0.0281 0.0274 0.0262 0.0256 0.025 0.0244 0.0239 0.0233 0.0359 0.0446 28 -1.8 0.0351 0.0344 0.0329 0.0322 0.0314 0.0307 0.0301 0.0294 29 -1.7 0.0436 0.0427 0.0409 0.0401 0.0392 0.0384 0.0375 0.0367 30 -1.6 0.0548 0.0537 0.0526 0.0505 0.0495 0.0485 0.0475 0.0465 0.0455 0.0668 0.0808 31 -1.5 0.0655 0.0643 0.063 0.0618 0.0606 0.0594 0.0582 0.0571 0.0559 32 -1.4 0.0793 0.0778 0.0764 0.0749 0.0735 0.0721 0.0708 0.0694 0.0681 33 -1.3 0.0968 0.0951 0.0934 0.0918 0.0901 0.0885 0.0869 0.0853 0.0838 0.0823 34 -1.2 0.1151 0.1131 0.1112 0.1093 0.1075 0.1056 0.1038 0.102 0.1003 0.0985 35 -1.1 0.1357 0.1335 0.1314 0.1292 0.1271 0.1251 0.123 0.121 0.119 0.117 36 -1 0.1587 0.1562 0.1539 0.1515 0.1492 0.1469 0.1446 0.1423 0.1401 0.1379 37 -0.9 0.1841 0.1814 0.1788 0.1762 0.1736 0.1711 0.1685 0.166 0.1635 0.1611 38 -0.8 0.2119 0.209 0.2061 0.2033 0.2005 0.1977 0.1949 0.1922 0.1894 0.1867 39 -0.7 0.242 0.2388 0.2358 0.2327 0.2296 0.2266 0.2236 0.2206 0.2177 0.2148 40 -0.6 0.2743 0.2709 0.2676 0.2643 0.2611 0.2578 0.2546 0.2514 0.2482 0.2451 41 -0.5 0.3085 0.305 0.3015 0.2981 0.2946 0.2912 0.2877 0.2843 0.281 0.2776 42 -0.4 0.3446 0.3409 0.3372 0.3336 0.33 0.3264 0.3228 0.3192 0.3156 0.3121 43 -0.3 0.3821 0.3783 0.3745 0.3707 0.3669 0.3632 0.3594 0.3557 0.352 0.3483 0.3897 0.4286 44 -0.2 0.4207 0.4168 0.4129 0.409 0.4052 0.4013 0.3974 0.3936 0.3859 45 -0.1 0.4602 0.4562 0.4522 0.4483 0.4443 0.4404 0.4364 0.4325 0.4247 46 0.5 0.496 0.492 0.488 0.484 0.4801 0.4761 0.4721 0.4681 0.4641 47 48 49
1
Cumulative Probablities
2 z
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
3
0.5
0.504
0.508
0.512
0.516
0.5199
0.5239
0.5279
0.5319
0.5359
4
0.1
0.5398
0.5438
0.5478
0.5517
0.5557
0.5596
0.5636
0.5675
0.5714
0.5753
0.2
0.5793
0.5832
0.5871
0.591
0.5948
0.5987
0.6026
0.6064
0.6103
0,6141
6
0.3
0.6179
0.6217
0.6255
0.6293
0.6331
0.6368
0.6406
0.6443
0,648
0.6517
0.6554
0.6879
0.6736
0.7088
0.4
0.6591
0.6628
0.6664
0.67
0.6772
0.6808
0.6844
0.5
0.6915
0.695
0.6985
0.7019
0.7054
0.7123
0.7157
0.719
0.7224
0.6
0.7257
0.7291
0.7324
0.7357
0.7389
0.7422
0.7454
0.7486
0.7518
0.7549
0.7794
0.8078
10
0.7
0.758
0.7612
0.7642
0.7673
0.7704
0.7734
0.7764
0.7823
0.7852
11
0.8
0.7881
0.791
0.7939
0.7967
0.7995
0.8023
0.8051
0.8106
0.8133
12
0.9
0.8159
0.8186
0.8212
0.8238
0.8264
0.8289
0.8315
0.834
0.8365
0.8389
13
1
0.8413
0.8438
0.8461
0.8485
0.8508
0.8531
0.8554
0.8577
0.8599
0.8621
14
1.1
0.8643
0.8665
0.8686
0.8708
0.8729
0.8749
0.877
0.879
0.881
0.883
15
1.2
0.8849
0.8869
0.8888
0.8907
0.8925
0.8944
0.8962
0.898
0.8997
0.9015
16
1.3
0.9032
0.9049
0.9066
0.9082
0.9099
0.9115
0.9131
0.9147
0.9162
0.9177
17
1.4
0.9192
0.9207
0.9222
0.9236
0.9251
0.9265
0.9279
0.9292
0.9306
0.9319
18
1.5
0.9332
0.9345
0.9357
0.937
0.9382
0.9394
0.9406
0.9418
0.9429
0.9441
19
1.6
0.9452
0.9463
0.9474
0.9484
0.9495
0.9505
0.9515
0.9525
0.9535
0.9545
0.9554
0.9641
20
1.7
0.9564
0.9573
0.9582
0.9591
0.9599
0.9608
0.9616
0.9625
0.9633
0.9664
0.9706
0.9767
21
1.8
0.9649
0.9656
0.9671
0.9678
0.9686
0.9693
0.9699
0.9726
0.9761
0.9812
0.9854
22
1.9
0.9713
0.9719
0.9732
0.9738
0.9744
0.975
0.9756
23
2
0.9772
0.9778
0.9783
0.9788
0.9793
0.9798
0.9803
0.9808
0.9817
24
2.1
0.9821
0.9826
0.983
0.9834
0.9838
0.9842
0.9846
0.985
0.9857
0.9878
0.9906
25
2.2
0.9861
0.9864
0.9868
0.9871
0.9875
0.9881
0.9884
0.9887
0.989
26
2.3
0.9893
0.9896
0.9898
0.9901
0.9904
0.9909
0.9911
0.9913
0.9916
27
2.4
0.9918
0.992
0.9922
0.9925
0.9927
0.9929
0.9931
0.9932
0.9934
0.9936
28
2.5
0.9938
0.994
0.9941
0.9943
0,9945
0.9946
0.9948
0.9949
0.9951
0.9952
29
2.6
0.9953
0.9955
0.9956
0.9957
0.9959
0.996
0.9961
0.9962
0.9963
0.9964
30
2.7
0.9965
0.9966
0.9967
0.9968
0.9969
0.997
0.9971
0.9972
0.9973
0.9974
31
2.8
0.9974
0.9975
0.9976
0.9977
0.9977
0.9978
0.9979
0.9979
0.998
0.9981
32
2.9
0.9981
0.9982
0.9982
0.9983
0.9984
0.9984
0.9985
0.9985
0.9986
0,9986
33
3
0.99865
0.99869
0.99874
0.99878
0.99882
0.99886
0.99889
0.99893
0.99897
0.999
34
3.1
0.99903
0.99906
0.9991
0.99913
0.99916
0.99918
0.99921
0.99924
0.99926
0.99929
35
3.2
0.99931
0.99934
0.99936
0.99938
0.9994
0.99942
0.99944
0.99946
0.99948
0.9995
36
3.3
0.99952
0.99953
0.99955
0.99957
0.99958
0.9996
0.99961
0.99962
0.99964
0.99965
37
3.4
0.99966
0.99968
0.99969
0.9997
0.99971
0.99972
0.99973
0.99974
0.99975
0.99976
0.99977
0.99984
0.99978
0.99979
0.99986
38
3.5
0.99978
0.9998
0.99981
0.99981
0.99982
0.99983
0.99983
39
3.6
0.99985
0.99985
0.99986
0.99987
0.99987
0.99988
0.99988
0.99989
40
3.7
0.99989
0.9999
0.9999
0.9999
0.99991
0.99991
0.99992
0.99992
0.99992
0.99992
41
3.8
0.99993
0.99993
0.99993
0.99994
0.99994
0.99994
0.99994
0.99995
0.99995
0.99995
42
3.9
0.99995
0.99995
0.99996
0.99996
0.99996
0.99996
0.99996
0.99996
0.99997
0.99997
43
4 0.9999683
44
4.5 0.9999966
45
5 0.9999997
46
5.5
1
47
1
48
Transcribed Image Text:1 Cumulative Probablities 2 z 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 3 0.5 0.504 0.508 0.512 0.516 0.5199 0.5239 0.5279 0.5319 0.5359 4 0.1 0.5398 0.5438 0.5478 0.5517 0.5557 0.5596 0.5636 0.5675 0.5714 0.5753 0.2 0.5793 0.5832 0.5871 0.591 0.5948 0.5987 0.6026 0.6064 0.6103 0,6141 6 0.3 0.6179 0.6217 0.6255 0.6293 0.6331 0.6368 0.6406 0.6443 0,648 0.6517 0.6554 0.6879 0.6736 0.7088 0.4 0.6591 0.6628 0.6664 0.67 0.6772 0.6808 0.6844 0.5 0.6915 0.695 0.6985 0.7019 0.7054 0.7123 0.7157 0.719 0.7224 0.6 0.7257 0.7291 0.7324 0.7357 0.7389 0.7422 0.7454 0.7486 0.7518 0.7549 0.7794 0.8078 10 0.7 0.758 0.7612 0.7642 0.7673 0.7704 0.7734 0.7764 0.7823 0.7852 11 0.8 0.7881 0.791 0.7939 0.7967 0.7995 0.8023 0.8051 0.8106 0.8133 12 0.9 0.8159 0.8186 0.8212 0.8238 0.8264 0.8289 0.8315 0.834 0.8365 0.8389 13 1 0.8413 0.8438 0.8461 0.8485 0.8508 0.8531 0.8554 0.8577 0.8599 0.8621 14 1.1 0.8643 0.8665 0.8686 0.8708 0.8729 0.8749 0.877 0.879 0.881 0.883 15 1.2 0.8849 0.8869 0.8888 0.8907 0.8925 0.8944 0.8962 0.898 0.8997 0.9015 16 1.3 0.9032 0.9049 0.9066 0.9082 0.9099 0.9115 0.9131 0.9147 0.9162 0.9177 17 1.4 0.9192 0.9207 0.9222 0.9236 0.9251 0.9265 0.9279 0.9292 0.9306 0.9319 18 1.5 0.9332 0.9345 0.9357 0.937 0.9382 0.9394 0.9406 0.9418 0.9429 0.9441 19 1.6 0.9452 0.9463 0.9474 0.9484 0.9495 0.9505 0.9515 0.9525 0.9535 0.9545 0.9554 0.9641 20 1.7 0.9564 0.9573 0.9582 0.9591 0.9599 0.9608 0.9616 0.9625 0.9633 0.9664 0.9706 0.9767 21 1.8 0.9649 0.9656 0.9671 0.9678 0.9686 0.9693 0.9699 0.9726 0.9761 0.9812 0.9854 22 1.9 0.9713 0.9719 0.9732 0.9738 0.9744 0.975 0.9756 23 2 0.9772 0.9778 0.9783 0.9788 0.9793 0.9798 0.9803 0.9808 0.9817 24 2.1 0.9821 0.9826 0.983 0.9834 0.9838 0.9842 0.9846 0.985 0.9857 0.9878 0.9906 25 2.2 0.9861 0.9864 0.9868 0.9871 0.9875 0.9881 0.9884 0.9887 0.989 26 2.3 0.9893 0.9896 0.9898 0.9901 0.9904 0.9909 0.9911 0.9913 0.9916 27 2.4 0.9918 0.992 0.9922 0.9925 0.9927 0.9929 0.9931 0.9932 0.9934 0.9936 28 2.5 0.9938 0.994 0.9941 0.9943 0,9945 0.9946 0.9948 0.9949 0.9951 0.9952 29 2.6 0.9953 0.9955 0.9956 0.9957 0.9959 0.996 0.9961 0.9962 0.9963 0.9964 30 2.7 0.9965 0.9966 0.9967 0.9968 0.9969 0.997 0.9971 0.9972 0.9973 0.9974 31 2.8 0.9974 0.9975 0.9976 0.9977 0.9977 0.9978 0.9979 0.9979 0.998 0.9981 32 2.9 0.9981 0.9982 0.9982 0.9983 0.9984 0.9984 0.9985 0.9985 0.9986 0,9986 33 3 0.99865 0.99869 0.99874 0.99878 0.99882 0.99886 0.99889 0.99893 0.99897 0.999 34 3.1 0.99903 0.99906 0.9991 0.99913 0.99916 0.99918 0.99921 0.99924 0.99926 0.99929 35 3.2 0.99931 0.99934 0.99936 0.99938 0.9994 0.99942 0.99944 0.99946 0.99948 0.9995 36 3.3 0.99952 0.99953 0.99955 0.99957 0.99958 0.9996 0.99961 0.99962 0.99964 0.99965 37 3.4 0.99966 0.99968 0.99969 0.9997 0.99971 0.99972 0.99973 0.99974 0.99975 0.99976 0.99977 0.99984 0.99978 0.99979 0.99986 38 3.5 0.99978 0.9998 0.99981 0.99981 0.99982 0.99983 0.99983 39 3.6 0.99985 0.99985 0.99986 0.99987 0.99987 0.99988 0.99988 0.99989 40 3.7 0.99989 0.9999 0.9999 0.9999 0.99991 0.99991 0.99992 0.99992 0.99992 0.99992 41 3.8 0.99993 0.99993 0.99993 0.99994 0.99994 0.99994 0.99994 0.99995 0.99995 0.99995 42 3.9 0.99995 0.99995 0.99996 0.99996 0.99996 0.99996 0.99996 0.99996 0.99997 0.99997 43 4 0.9999683 44 4.5 0.9999966 45 5 0.9999997 46 5.5 1 47 1 48
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