1. A store wants to mail advertising letters to clients; what is the percentage of clients who buy items more expensive than 1.8 standard deviation than the average price of items? 2. Above store decided to send ad letters to above clients PLUS clients who buy items values less than 2.3 standard deviation. What percentage of clients will receive ad letters? Please use table B.1 and draw a curve shape
1. A store wants to mail advertising letters to clients; what is the percentage of clients who buy items more expensive than 1.8 standard deviation than the average price of items? 2. Above store decided to send ad letters to above clients PLUS clients who buy items values less than 2.3 standard deviation. What percentage of clients will receive ad letters? Please use table B.1 and draw a curve shape
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:TABLE-B.1
2-score
0.00
0.00
0.01
0.40
0.02
0.50
0.03
1.20
0.04
1.60
0.05
1.99
0.06 2.39
0.07
0.08
0.09
0.10
0.11
0.12
0.13
0.14
0.15
0.16
0.17
0.18
0.19
0.20
0.21
3.22
3.23
0.24
0.25
0.26
3.27
3.28
0.35
3.36
3.37
3.38
3.39
0.40
3.41
Area
Between
the Mean
and the
Z-score
2.79
3.19
3.46
3.47
3.48
3.49
4.78
5.17
5.57
5.96
6.36
6.75
Areas Beneath the Normal Curve
Area
Between
the Mean
and the
z-score
7.14
7.53
7.93
8.32
8.71
9.10
z-score
0.50
0.52
3.59
3.98 0.61
4.38
0.53
0.54
9.99
10.26
0.55
0.56
0.57
0.58
20.88
21.23
21.57
0.59
21.90
22.24
0.60
0.68
0.69
0.70
0.71
0.72
0.73
0.74
Area
Between
the Mean
and the
2-score
19.15
19.50
19.85
22.57
0.62 22.91
0.63
23.24
0.64
0.65
0.66
0.67
15.17 0.90
15.54
15.91
3.42
16.28
3.43
16.64
0.44
17.00
0.45 17.36 0.96
17.72
0.97
18.08
0.98
18.44
0.99
18.79 1.00
20.19
20.54
0.91
0.92
0.93
24.54
24.86
25.17
25.49
Z-score
1.00
1.01
1.12
1.13
23.57
23.89 1.14
1.15
1.16
1.17
1.18
25.80
26.11
9.48 0.75
27.34
1.24
0.76
27.64
1.25
0.77 27.94
1.26
10.64
0.78 28.23 1.27 39.80
0.79
11.03
28.52
1.28
39.97
3.29
11.41
0.80
28.81
1.29
3.30 11.79 0.81
29.10
3.31
12.17
0.82
29.39
3.32
12.55
0.83
29.67
0.33
12.93
29.95
0.84
3.34
13.31
0.85
30.23
13.68
30.51
0.86
30.71
0.87
14.06
0.88
14.43
14.80 0.89
26.42
26.73
27.04
Z-score
1.50
34.13
34.38 1.51
1.02
1.52
34.61
1.03
34.85 1.53
1.04
35.08
1.54
1.05 35.31
1.55
1.06 35.54 1.56
35.77
1.07
1.57
1.08
35.99
1.09 36.21
1.10
36.43
1.11
1.19
1.20
1.21
1.22
1.23
1.30
1.31
1.32
1.33
31.33 1.38
31.59
1.39
31.86
1.40
32.12
1.41
32.38
1.42
0.94
32.64
32.89
0.95
33.15
33.40
33.65
33.89
34.13
36.65
36.86
37.08
1.36
31.06 1.37
1.43
1.44
39.25
39.44
39.62
1.34
40.99
1.35 41.15
41.31
41.47
37.29
37.49
37.70
37.90
38.10
38.30
38.49 1.70
38.69
1.71
38.88
39.07
40.15
40.32
40.49
40.66
40.82
41.62
41.77
41.92
42.07
42.22
42.36
1.61
1.62
1.63
1.64
1.65
1.66
1.67
43.94
2.05
44.06 2.06
44.18
1.58
44.29
44.41
1.59
1.60
1.68
1.69
1.72
1.73
1.74
1.75
1.76
1.78
1.79
1.80
1.81
1.82
Area
Between
the Mean
and the
2-score
1.87
1.88
43.32
43.45
42.51
42.65
1.45
1.46
42.79
42.92
1.47
1.48
43.06
43.19
1.49
44.52
44.63
44.74
44.84
44.95
45.05
47.72
2.00
2.01
47.78
43.57 2.02
43.70
2.03
43.82
2.04
45.15
45.25
45.35
45.45
45.54
45.64
45.73
45.82
45.91
45.99
46.08
1.83 46.64
1.84 46.71
z-score
1.85 46.78
1.86
46.86
46.93
46.99
1.89 47.06
1.90
47.13
1.91
1.92
2.07
2.08
46.16
1.77
46.25
46.33
46.41
46.49
2.15
2.16
2.17
2.18
2.21
2.22
2.23
2.24
2.25
2.26
2.27
2.28
2.29
2.30
2.31
46.56 2.32
Area
Between
the Mean
and the
z-score
47.83
47.88
2.09
2.10
2.11
2.12
2.13
48.34
2.14 48.38 2.64
2.65
2.19 48.57
2.20
48.61
48.64
2.36
2.37
2.38
2.39
48.17
48.21
Z-score
2.50
2.51
48.50
48.54
2.52
2.53
47.93
47.98
48.03
2.56
2.57
48.08
48.12 2.58
48.26 2.61
48.30
2.62
2.63
48.75
45.78
48.42
48.46 2.66
2.67
.
2.54
49.45
49.46
2.55
2.71
48.68 2.72
48.71
2.73
2.68
2.69
2.70
2.74
2.75
2.76
48.81
48.84
48.87
48.90
48.93
48.96 2.81
48.98
49.01
2.77
2.78
Area
Between
the Mean
and the
z-score
49.11
2.87
49.13 2.88
49.16
2.40
49.18
47.19
2.41
49.20
47.26
2.42
49.22
1.93
47.32 2.43
49.25
1.94
47.38
49.27
2.44
1.95
47.44
2.45
49.29
1.96 47.50
2.46
49.31
1.97
47.56 2.47
49.32
1.98 47.61
49.34
2.48
1.99 47.67 2.49
49.36
49.38
49.40
3.09
49.52
2.59
2.60
3.10
49.53
49.55
49.56 3.12
49.57
49.59
2.33
2.34 49.04
49.06
2.35
49.09
49.41
49.43
49.48
49.49
49.51
2.94
2.95
2.96
2.97
49.60
49.61
49.62
49.63
49.64
49.65
49.66
49.67
49.68
49.75
2.82 49.76
2.83
49.77
2.84
49.77
2.85
49.78
2.86
49.69
49.70
49.71
49.72
49.73
Z-score
3.00
3.01
3.02
3.03
3.04
3.05
3.06
3.07
3.08
49.79
49.79
49.80
2.89 49.81
2.90 49.81
2.91 49.82
2.92
2.93
49.74
2.79
49.74
2.80
3.13
3.14
3.15
3.16
3.17
3.18
3.19
3.20
3.21
3.22
3.23
3.11 49.91 3.61
49.91
3.62
49.91 3.63
49.92
Area
Between
the Mean
and the
z-score
3.24
3.25
3.26
2-score
49.87 3.50
49.87
3.51
3.52
3.53
3.54
49.89 3.55
49.89
3.56
3.57
3.58
3.59
3.60
49.87
49.88
49.88
3.34
3.35
49.89
49.90
49.90
49.90
49.92
49.92
3.66
49.92
3.67
49.93 3.68
49.93
3.69
49.93
49.93
49.94 3.72
49.94
3.73
49.94
49.94
3.64
3.65
49.94
3.74
49.94 3.75
49.94 3.76
3.77
3.78
3.79
3.80
3.81
3.27
3.28
3.29
3.30
3.31
3.32
3.33 49.95 3.83
3.84
3.85
3.36
3.86
49.96
3.37
3.87
3.38 49.96
3.88
3.89
49.96
3.39
3.40 49.97
3.41 49.97 3.91
3.90
49.94
49.95
3.70
3.71
49.95
49.96
49.96
49.95
49.95 3.82
49.82 3.42 49.97 3.92
49.83
3.93
49.84
3.94
49.84
3.95
49.85
3.96
49.85
2.98 49.86 3.48
2.99
49.86
49.98
49.98
3.49 49.98
Area
Betwer
the Me
and th
2-scor
3.43 49.97
49.97
3.44
3.45
49.98
49.98
3.46
3.47
3.97
3.98
3.99
49.90
49.9
49.98
49.9€
49.9E
49.98
49.98
49.90
49.92
49.98
49.98
49.98
49.98
49.98
49.98
49.98
49.98
49.98
49.98
49.90
49.99
49.99
49.99
49.99
49.95
49.9⁹
49.99
49.95
49.95
49.99
49.99
49.95
49.99
49.99
49.95
49.95
49.99
49.99
49.95
49.9⁹
49.95
49.99
49.95
49.95
49.95
49.99
49.95
49.95
49.91
49.99
Transcribed Image Text:1. A store wants to mail advertising letters to clients; what is the percentage of clients who buy items more expensive
than 1.8 standard deviation than the average price of items?
2. Above store decided to send ad letters to above clients PLUS clients who buy items values less than 2.3 standard
deviation. What percentage of clients will receive ad letters?
Please use table B.1 and draw a curve shape
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