..how many would you expect to score below 1152? students ..how many would you expect to score above 1152? students students ..how many would you expect to score below 959.5?

MATLAB: An Introduction with Applications
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Question 18
Scores on an aptitude test are normally distributed with a mean of 1020 and standard deviation of
110.
Use the Cumulative Z-Score Table to answer the following questions.
Write your answer rounded to the nearest whole number.
If 1,270,000 students take the test...
...how many would you expect to score below 1152?
students
...how many would you expect to score above 11527
students
students
...how many would you expect to score below 959.5?
students
...how many would you expect to score above 959.5?
...how many would you expect to score between 959.5 and 1152?
students
Z-Score Table
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Transcribed Image Text:Question 18 Scores on an aptitude test are normally distributed with a mean of 1020 and standard deviation of 110. Use the Cumulative Z-Score Table to answer the following questions. Write your answer rounded to the nearest whole number. If 1,270,000 students take the test... ...how many would you expect to score below 1152? students ...how many would you expect to score above 11527 students students ...how many would you expect to score below 959.5? students ...how many would you expect to score above 959.5? ...how many would you expect to score between 959.5 and 1152? students Z-Score Table Question Help: O Video 1 Oideo 2 C essage instructor Subrmit Question
Module 3 Statistics
Cumulathve Z-Score Table
Z-Score
Area
Z-Score
Area
Z-Score
Area
Z-Score
Area
-4.0
0.00003
-1.0
0.1587
0.0
0.5000
1.1
0.8643
-3.5
0.0002
-0.95
0.1711
0.05
0.5199
1.2
0.8849
-3.0
0.0013
-0.90
0.1841
0.10
0.5398
1.3
0.9032
-2.9
0.0019
-0.85
0.1977
0.15
0.5596
1.4
0.9192
-2.8
0.0026
-0.80
0.2119
0.20
0.5793
1.5
0.9332
-2.7
0.0035
-0.75
0.2266
0.25
0.5987
1.6
0.9452
-2.6
0.0047
-0.70
0.2420
0.30
0.6179
1.7
0.9554
-2.5
0.0062
-0.65
0.2578
0.35
0.6368
1.8
0.9641
-2.4
0.0082
-0.60
0.2743
0.40
0.6554
1.9
0.9713
-2.3
0.0107
-0.55
0.291
0.45
0.6736
2.0
0.9772
-2.2
0.0139
-0.50
0.3085
0.50
0.6915
2.1
0.9821
-2.1
0.0179
-0.45
0.3264
0.55
0.7088
2.2
-2.0
0.0228
-0.40
0.3446
0.60
0.7257
2.3
0.9893
-1.9
0.0287
-0.35
0.3632
0.65
0.7422
2.4
0.9918
-1.8
0.0359
-0.30
0.3821
0.70
0.7580
2.5
0.9938
-1.7
0.0446
-0.25
0.4013
0.75
0.7734
2.6
0.9953
-1.6
0.0548
-0.20
0.4207
0.80
0.7881
2.7
0.9965
-1.5
0.0668
-0.15
0.4404
0.85
0.8023
2.8
0.9974
-1.4
0.0808
-0.10
0.4602
0.90
0.8159
2.9
0.9981
-1.3
0.0968
-0.05
0.4801
0.95
0.8289
3.0
0.9987
-1.2
0.1151
0.0
5000
1.0
0.8413
3.5
0.9998
-1.1
0.1357
4.0
0.9997
Transcribed Image Text:Module 3 Statistics Cumulathve Z-Score Table Z-Score Area Z-Score Area Z-Score Area Z-Score Area -4.0 0.00003 -1.0 0.1587 0.0 0.5000 1.1 0.8643 -3.5 0.0002 -0.95 0.1711 0.05 0.5199 1.2 0.8849 -3.0 0.0013 -0.90 0.1841 0.10 0.5398 1.3 0.9032 -2.9 0.0019 -0.85 0.1977 0.15 0.5596 1.4 0.9192 -2.8 0.0026 -0.80 0.2119 0.20 0.5793 1.5 0.9332 -2.7 0.0035 -0.75 0.2266 0.25 0.5987 1.6 0.9452 -2.6 0.0047 -0.70 0.2420 0.30 0.6179 1.7 0.9554 -2.5 0.0062 -0.65 0.2578 0.35 0.6368 1.8 0.9641 -2.4 0.0082 -0.60 0.2743 0.40 0.6554 1.9 0.9713 -2.3 0.0107 -0.55 0.291 0.45 0.6736 2.0 0.9772 -2.2 0.0139 -0.50 0.3085 0.50 0.6915 2.1 0.9821 -2.1 0.0179 -0.45 0.3264 0.55 0.7088 2.2 -2.0 0.0228 -0.40 0.3446 0.60 0.7257 2.3 0.9893 -1.9 0.0287 -0.35 0.3632 0.65 0.7422 2.4 0.9918 -1.8 0.0359 -0.30 0.3821 0.70 0.7580 2.5 0.9938 -1.7 0.0446 -0.25 0.4013 0.75 0.7734 2.6 0.9953 -1.6 0.0548 -0.20 0.4207 0.80 0.7881 2.7 0.9965 -1.5 0.0668 -0.15 0.4404 0.85 0.8023 2.8 0.9974 -1.4 0.0808 -0.10 0.4602 0.90 0.8159 2.9 0.9981 -1.3 0.0968 -0.05 0.4801 0.95 0.8289 3.0 0.9987 -1.2 0.1151 0.0 5000 1.0 0.8413 3.5 0.9998 -1.1 0.1357 4.0 0.9997
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