Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. 0.55 The indicated IQ score, x, is (Round to one decimal place as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Question
Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and
those scores are normally distributed with a mean of 100 and a standard deviation
of 15.
Click to view page 1 of the table. Click to view page 2 of the table.
0.55
The indicated IQ score, x, is
(Round to one decimal place as needed.)
Transcribed Image Text:Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. 0.55 The indicated IQ score, x, is (Round to one decimal place as needed.)
Standard Normal Table (Page 2)
D.
POSITIVE z Scores
T
Standard Normal (z) Distribution: Cumulative Area from the LEFT
.00
01
02
.03
.04
.05
06
07
.08
09
0.0
5000
5040
5080
5120
.5160
.5199
.5239
5279
5319
.5359
0.1
5398
5438
5478
5517
.5557
.5596
5636
5675
5714
5753
0.2
5793
5832
5871
5910
.5948
5987
6026
6064
.6103
.6141
0.3
6179
6217
.6255
.6293
.6331
.6368
.6406
6443
6480
.6517
0.4
6554
6591
6628
.6664
.6700
6736
.6772
.6808
6844
.6879
0.5
.6915
6950
6985
7019
.7054
.7088
.7123
7157
.7190
.7224
0.6
.7257
7291
7324
7357
7389
7422
,7454
7486
7517
7549
0.7
7580
.7611
7642
7673
.7704
7734
.7764
7794
7823
.7852
0.8
7881
7910
7939
7967
7995
.8023
.8051
8078
.8106
.8133
0.9
8159
8186
8212
.8238
.8264
.8289
.8315
8340
.8365
.8389
1.0
8413
8438
8461
8485
.8508
.8531
.8554
.8577
.8599
.8621
1.1
8643
8665
8686
.8708
8729
.8749
.8770
.8790
.8810
.8830
1.2
8849
8869
8888
.8907
8925
.8944
.8962
.8980
.8997
9015
1.3
.9032
.9049
.9066
.9082
.9099
.9115
.9131
.9147
.9162
.9177
1.4
.9192
9207
.9222
.9236
.9251
9265
.9279
9292
9306
.9319
1.5
.9332
9345
9357
9370
9382
.9394
.9406
.9418
9429
9441
1.6
9452
9463
9474
9484
9495
.9505
9515
9525
9535
9545
.9625
9633
.9608
.9686
1.7
.9554
.9564
9573
9582
.9591
9599
9616
.9664
.9671
.9678
9693
9699
.9706
1.8
.9641
9649
.9656
En
Print
Done
NEGATIVE z Scores
Standard Normal (z) Distribution: Cumulative Area from the LEFT
.00
01
02
03
.04
os
06
07
.08
.09
-3.50
and
lower
-3.4
.0003
0003
0003
.0003
0003
0003
oo03
0003
.0003
0002
-3.3
0005
o005
0005
.0004
.0004
.0004
0004
.0004
.0004
.0003
-3.2
o007
o007
.0006
0006
.0006
.0006
0006
0005
.0005
.0005
-3.1
0010
0009
0009
.0009
.0008
.0008
0008
.0008
.0007
.0007
-3.0
0013
O013
0013
.0012
O012
.0011
Oom
.O011
.0010
.O010
-2.9
.0019
O018
.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
O082
O080
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
.o119
.o16
0113
.0110
-21
0179
0174
0170
.0166
0162
.0158
.0154
.0150
0146
.0143
-2.0
.0228
0222
0217
.0212
0207
.0202
.0197
.0192
.0188
.0183
-1.9
.0287
0281
0274
.0268
0262
.0256
.0250
.0244
.0239
.0233
Er
Print
Done
Transcribed Image Text:Standard Normal Table (Page 2) D. POSITIVE z Scores T Standard Normal (z) Distribution: Cumulative Area from the LEFT .00 01 02 .03 .04 .05 06 07 .08 09 0.0 5000 5040 5080 5120 .5160 .5199 .5239 5279 5319 .5359 0.1 5398 5438 5478 5517 .5557 .5596 5636 5675 5714 5753 0.2 5793 5832 5871 5910 .5948 5987 6026 6064 .6103 .6141 0.3 6179 6217 .6255 .6293 .6331 .6368 .6406 6443 6480 .6517 0.4 6554 6591 6628 .6664 .6700 6736 .6772 .6808 6844 .6879 0.5 .6915 6950 6985 7019 .7054 .7088 .7123 7157 .7190 .7224 0.6 .7257 7291 7324 7357 7389 7422 ,7454 7486 7517 7549 0.7 7580 .7611 7642 7673 .7704 7734 .7764 7794 7823 .7852 0.8 7881 7910 7939 7967 7995 .8023 .8051 8078 .8106 .8133 0.9 8159 8186 8212 .8238 .8264 .8289 .8315 8340 .8365 .8389 1.0 8413 8438 8461 8485 .8508 .8531 .8554 .8577 .8599 .8621 1.1 8643 8665 8686 .8708 8729 .8749 .8770 .8790 .8810 .8830 1.2 8849 8869 8888 .8907 8925 .8944 .8962 .8980 .8997 9015 1.3 .9032 .9049 .9066 .9082 .9099 .9115 .9131 .9147 .9162 .9177 1.4 .9192 9207 .9222 .9236 .9251 9265 .9279 9292 9306 .9319 1.5 .9332 9345 9357 9370 9382 .9394 .9406 .9418 9429 9441 1.6 9452 9463 9474 9484 9495 .9505 9515 9525 9535 9545 .9625 9633 .9608 .9686 1.7 .9554 .9564 9573 9582 .9591 9599 9616 .9664 .9671 .9678 9693 9699 .9706 1.8 .9641 9649 .9656 En Print Done NEGATIVE z Scores Standard Normal (z) Distribution: Cumulative Area from the LEFT .00 01 02 03 .04 os 06 07 .08 .09 -3.50 and lower -3.4 .0003 0003 0003 .0003 0003 0003 oo03 0003 .0003 0002 -3.3 0005 o005 0005 .0004 .0004 .0004 0004 .0004 .0004 .0003 -3.2 o007 o007 .0006 0006 .0006 .0006 0006 0005 .0005 .0005 -3.1 0010 0009 0009 .0009 .0008 .0008 0008 .0008 .0007 .0007 -3.0 0013 O013 0013 .0012 O012 .0011 Oom .O011 .0010 .O010 -2.9 .0019 O018 .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 O082 O080 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 .o119 .o16 0113 .0110 -21 0179 0174 0170 .0166 0162 .0158 .0154 .0150 0146 .0143 -2.0 .0228 0222 0217 .0212 0207 .0202 .0197 .0192 .0188 .0183 -1.9 .0287 0281 0274 .0268 0262 .0256 .0250 .0244 .0239 .0233 Er Print Done
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