Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a standard deviation o = 20. Find the probability that a selected adult has an IQ less than 128. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ less than 128 is (Type an integer or decimal roydadie faue desime
Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a standard deviation o = 20. Find the probability that a selected adult has an IQ less than 128. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ less than 128 is (Type an integer or decimal roydadie faue desime
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
Transcribed Image Text:Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a standard deviation o = 20. Find the probability that a ra
selected adult has an IQ less than 128.
Click to view page 1 of the table. Click to view page 2 of the table.
....
The probability that a randomly selected adult has an IQ less than 128 is
(Type an integer or decimal roydedto four desimelelesee ee pooded I
Standard normal table (page 1)
NEGATIVE z Scores
Standard Normal (z) Distribution: Cumulative Area from the LEFT
00
.01
02
.03
.04
.05
06
.07
.08
.09
-3.50
and
lower
0001
.0003
.0004
-34
.0003
0003
.o003
.0003
.0003
.0003
.0003
.0003
.0002
0005
0007
-3.3
.0005
.0005
.0004
.0004
.0004
.0004
0004
.0003
-3.2
,0007
.0006
.0006
.0006
.0006
.0006
.0005
.0005
.0005
-3.1
.o010
.0009
.0009
.0009
0008
.0008
.0008
.0008
.0007
.0007
-3.0
.0013
0013
.0013
.0012
0012
.001
.001
.0011
0010
.0010
-2.9
0019
.0018
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
0027
0037
• 0049
.0068 A .0066
.0031
.0030
.0029
.0028
.0026
-2.6
0047
0045
0044
.0043
.0041
.0040
.0039
0038
.0036
-2.5
.0062
0060
0059
.0057
.0055
.0054
0052
.0051
.0048
-2.4
0082
0080
.0078
.0075
.0073
.0071
.0069
.0064
-23
0107
0104
.0102
.0099
.0096
.0094
.0091
.0089
.0087
.0084
Transcribed Image Text:Standard normal table (page 2)
Hult
nas
POSITIVE z Scores
age
Standard Normal (z) Distribution: Cumulative Area from the LEFT
tha
.00
.01
02
.03
.04
.05
.06
.07
.08
.09
er d
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
1.7
.9554
9564
9573
.9582
.9591
.9599
.9608
9616
.9625
.9633
1.8
9641
.9649
,9656
.9664
.9671
9678
.9686
9693
9699
9706
1.9
9713
.9719
9726
.9732
.9738
.9744
.9750
9756
.9761
.9767
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