Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation o=20. Find the probability that a randomly selected adult has an IQ less than 133. 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 133 is (Type an integer or decimal rounded to four decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation
o=20. Find the probability that a randomly selected adult has an IQ less than 133.
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 133 is
(Type an integer or decimal rounded to four decimal places as needed.)
Transcribed Image Text:Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation o=20. Find the probability that a randomly selected adult has an IQ less than 133. 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 133 is (Type an integer or decimal rounded to four decimal places as needed.)
Standard Normal Table (Page 1)
NEGATIVE z Scores
Z
-3.50
and
lower
-3.4
-3.3
-3.2
-3.1
-3.0
-2.9
-2.8
-2.7
-2.6
-2.5
Standard Normal (z) Distribution: Cumulative Area from the LEFT
.00
.0001
.0003
.0005
,0007
.0010
.0013
.0019
.0026
.0035
.0047
.0062
.01
.02
0003
.0003
.0005
.0005
0007
.0006
.0009 .0009
.0013
.0013
0018
.0018
.0025
.0034
0045
0060
.0024
.0033
0044
.0059
.03
.04
.0003
.0003
.0004
.0004
.0006
0006
.0009 .0008
.0012
.0012
.0017
.0016
.0023
.0023
.0032
.0031
.0043
.0041
.0057
0055
Print
.05
.0011
.0016
.0022
.0030
.0040
.0054
.06
.0003
.0003
.0003
.0004
.0004
.0004
,0006
.0006
.0005
.0008 .0008 .0008
Done
.07
.0011
.0015
.0021
.0029
.0039
.0052
0
.0011
.0015
.0021
.0028
.0038
.0051
.08
0003
.0004
.0005
.0007
0010
.0014
.0020
.0027
0037
* .0049
.09
.0002
.0003
0005
.0007
.0010
.0014
.0019
.0026
0036
.0048
X
Transcribed Image Text:Standard Normal Table (Page 1) NEGATIVE z Scores Z -3.50 and lower -3.4 -3.3 -3.2 -3.1 -3.0 -2.9 -2.8 -2.7 -2.6 -2.5 Standard Normal (z) Distribution: Cumulative Area from the LEFT .00 .0001 .0003 .0005 ,0007 .0010 .0013 .0019 .0026 .0035 .0047 .0062 .01 .02 0003 .0003 .0005 .0005 0007 .0006 .0009 .0009 .0013 .0013 0018 .0018 .0025 .0034 0045 0060 .0024 .0033 0044 .0059 .03 .04 .0003 .0003 .0004 .0004 .0006 0006 .0009 .0008 .0012 .0012 .0017 .0016 .0023 .0023 .0032 .0031 .0043 .0041 .0057 0055 Print .05 .0011 .0016 .0022 .0030 .0040 .0054 .06 .0003 .0003 .0003 .0004 .0004 .0004 ,0006 .0006 .0005 .0008 .0008 .0008 Done .07 .0011 .0015 .0021 .0029 .0039 .0052 0 .0011 .0015 .0021 .0028 .0038 .0051 .08 0003 .0004 .0005 .0007 0010 .0014 .0020 .0027 0037 * .0049 .09 .0002 .0003 0005 .0007 .0010 .0014 .0019 .0026 0036 .0048 X
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