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suppose that the scores of architects on a particular creativity test are normally ddistributed. using a normal curve table, what percentage of architects have Z scores (a)above .10, (b)below .10, (c)above .20, (d) below .20, (e) above 1.10, (f) below 1.10, (g) above -.10, and (h) below _.10

Question

suppose that the scores of architects on a particular creativity test are normally ddistributed. using a normal curve table, what percentage of architects have Z scores (a)above .10, (b)below .10, (c)above .20, (d) below .20, (e) above 1.10, (f) below 1.10, (g) above -.10, and (h) below _.10 

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Step 1

Note:

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Step 2

Normal curve table:

Consider the following table, “Normal Curve Areas: Percentage of the Normal Curve Between the Mean and the Z Scores Shown and Percentage of Scores in the Tail for the Z Scores Shown”.

Normal Curve Areas: Percentage of the Normal Curve Between the Mean and the
ZScores Shown and Percentage of Scores in the Tail for the Z Scores Shown
men 2
mean 7
mean
%in Tail
50.00
% Mean to Z
% Mean to Z
% in Tail
11.79
38.21
00
0.00
30
12.17
12.55
0.40
01
49.60
31
37.83
02
37 45
0.80
49.20
32
03
120
48.80
33
37,07
12.93
04
1.60
48.40
34
13.31
36.69
36.32
1.99
35
13.68
05
48.01
36
35.94
06
2.39
47.61
14.06
47 21
35 57
07
2.79
37
14.43
08
3.19
4681
38
14.80
35.20
15.17
34.83
09
3.59
46.41
39
10
3.98
46.02
40
15.54
34.46
45.62
15.91
34.09
11
4.38
41
12
45.22
42
16.28
33.72
478
13
5.17
44.83
43
16.64
33.36
14
5.57
44.43
44
17.00
33.00
15
5.96
44.04
45
17.36
32.64
3228
16
6.36
43.64
46
17.72
17
6.75
43.25
47
18.08
31.92
18.44
7.14
42.86
48
31.56
18
31.21
.19
7.53
42.47
49
18.79
42.07
50
19.15
30.85
20
7.93
19.50
21
8.32
41.68
51
30.50
22
8.71
41.29
52
19.85
30.15
23
9.10
40.90
53
20.19
29.81
40.52
40.13
39.74
29.46
24
9.48
54
20.54
20.88
25
9.87
55
29.12
26
56
21.23
28.77
10.26
21.57
28.43
27
10.64
39.36
57
58
28
11.03
38.97
21.90
28.10
11.41
27.76
29
38.59
59
22.24
(continued)
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Normal Curve Areas: Percentage of the Normal Curve Between the Mean and the ZScores Shown and Percentage of Scores in the Tail for the Z Scores Shown men 2 mean 7 mean %in Tail 50.00 % Mean to Z % Mean to Z % in Tail 11.79 38.21 00 0.00 30 12.17 12.55 0.40 01 49.60 31 37.83 02 37 45 0.80 49.20 32 03 120 48.80 33 37,07 12.93 04 1.60 48.40 34 13.31 36.69 36.32 1.99 35 13.68 05 48.01 36 35.94 06 2.39 47.61 14.06 47 21 35 57 07 2.79 37 14.43 08 3.19 4681 38 14.80 35.20 15.17 34.83 09 3.59 46.41 39 10 3.98 46.02 40 15.54 34.46 45.62 15.91 34.09 11 4.38 41 12 45.22 42 16.28 33.72 478 13 5.17 44.83 43 16.64 33.36 14 5.57 44.43 44 17.00 33.00 15 5.96 44.04 45 17.36 32.64 3228 16 6.36 43.64 46 17.72 17 6.75 43.25 47 18.08 31.92 18.44 7.14 42.86 48 31.56 18 31.21 .19 7.53 42.47 49 18.79 42.07 50 19.15 30.85 20 7.93 19.50 21 8.32 41.68 51 30.50 22 8.71 41.29 52 19.85 30.15 23 9.10 40.90 53 20.19 29.81 40.52 40.13 39.74 29.46 24 9.48 54 20.54 20.88 25 9.87 55 29.12 26 56 21.23 28.77 10.26 21.57 28.43 27 10.64 39.36 57 58 28 11.03 38.97 21.90 28.10 11.41 27.76 29 38.59 59 22.24 (continued)

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Step 3

(a) Computation of percentage of Z scores above 0.10:

The percentage of scores above the Z score of 0.10 is the percentage given under the column “% in Tail” corresponding to the “Z” score of 0.10, in the normal curve table.

...

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