71 S4 4 Aphilantvopic organization knows that s donors have an average age near 60 and is considering taking out an adina magazine which mainly focuses on aging issues An analyst wonders uhat proportion of their donors are actually 50 years old or older. He takes arandom sample of the records of 100 donors. The data set in the accompanying table contains the ages of the donor. From the data provided construct a 99% confideno interval for the proportion of donors uho are 50 years old or older E Click the icon tovie the data ble What is the confidence interva Select the comect choice below and necessary inthe anser boxes in your choice OA The 99% confidence interval s SS Round to one decimal place as needed Use ascending order) OB. The conditions of a confidence interval are not satisfied Credit Card Purchase Amounts Cedt Card Purhase Amounts S 2 33 63 60 52 51 70 45 53 66 62 20 31 67 54 45 56 61 58 60 20 31 61 69 25 S1 51 69 66 71 71 2 60 60 N 9 60 67 53 40 70 67 73 51 58 55 65 61 64 67 57 53 2 66 63 20 s 73 54 21 S 1 4 0 4 6s 54 70 60 79 32 73 45 67 75 52
71 S4 4 Aphilantvopic organization knows that s donors have an average age near 60 and is considering taking out an adina magazine which mainly focuses on aging issues An analyst wonders uhat proportion of their donors are actually 50 years old or older. He takes arandom sample of the records of 100 donors. The data set in the accompanying table contains the ages of the donor. From the data provided construct a 99% confideno interval for the proportion of donors uho are 50 years old or older E Click the icon tovie the data ble What is the confidence interva Select the comect choice below and necessary inthe anser boxes in your choice OA The 99% confidence interval s SS Round to one decimal place as needed Use ascending order) OB. The conditions of a confidence interval are not satisfied Credit Card Purchase Amounts Cedt Card Purhase Amounts S 2 33 63 60 52 51 70 45 53 66 62 20 31 67 54 45 56 61 58 60 20 31 61 69 25 S1 51 69 66 71 71 2 60 60 N 9 60 67 53 40 70 67 73 51 58 55 65 61 64 67 57 53 2 66 63 20 s 73 54 21 S 1 4 0 4 6s 54 70 60 79 32 73 45 67 75 52
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
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Transcribed Image Text:A philanthropic organization knows that its donors have an average age near 60 and is considering taking out an ad in a magazine which mainly focuses on aging issues. An analyst wonders what proportion of their donors are actually 50 years old or older. He takes a random sample of the records of 100 donors. The data set in the accompanying table contains the ages of the donor. From the data provided, construct a 99% confidence
interval for the proportion of donors who are 50 years old or older.
E Click the icon to view the data table.
What is the confidence interval? Select the correct choice below and, if necessary, fill in the answer boxes within your choice.
O A. The 99% confidence interval is ( %, %).
(Round to one decimal place as needed. Use ascending order.)
O B. The conditions of a confidence interval are not satisfied.
Credit Card Purchase Amounts
Credit Card Purchase Amounts ($)
61
42
33
63
60
52
51
70
45
53
66
62
20
31
46
67
54
45
56
58
46
71
71
54
64
60
20
31
61
69
25
51
51
69
66
78
42
69
66
65
71
71
68
65
42
21
57
60
45
50
60
60
76
69
59
60
67
53
40
70
67
42
73
51
58
55
65
61
64
67
57
56
56
53
72
66
63
20
65
73
54
21
60
75
71
40
40
69
54
70
73
60
79
32
45
45
67
75
42
52
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