The results of a question asked in a simple random survey are reported in the accompanying table. The question asked was "If you own a cell phone, what was your cell phone bill last month? Express answers to the penny." Use the data to complete parts (a) through (d) below. Click the icon to view the table of cell phone bills. CID (d) Construct and interpret a 95% confidence interval for the mean cost of a monthly cell phone bill. Select the correct choice below and fill in the answer boxes within your choice. (Round to two decimal places as needed. Use ascending order.) ⒸA. We are 95% confident the mean monthly cell phone bill is between $84.12 and $106.6. OB. There is a 95% probability that the mean monthly cell phone bill is between $ and $
The results of a question asked in a simple random survey are reported in the accompanying table. The question asked was "If you own a cell phone, what was your cell phone bill last month? Express answers to the penny." Use the data to complete parts (a) through (d) below. Click the icon to view the table of cell phone bills. CID (d) Construct and interpret a 95% confidence interval for the mean cost of a monthly cell phone bill. Select the correct choice below and fill in the answer boxes within your choice. (Round to two decimal places as needed. Use ascending order.) ⒸA. We are 95% confident the mean monthly cell phone bill is between $84.12 and $106.6. OB. There is a 95% probability that the mean monthly cell phone bill is between $ and $
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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Transcribed Image Text:The results of a question asked in a simple random survey are reported in the accompanying table. The question asked was "If you own a cell phone, what was your cell phone bill last
month? Express answers to the penny." Use the data to complete parts (a) through (d) below.
Click the icon to view the table of cell phone bills.
C...
(d) Construct and interpret a 95% confidence interval for the mean cost of a monthly cell phone bill. Select the correct choice below and fill in the answer boxes within your choice.
(Round to two decimal places as needed. Use ascending order.)
ⒸA. We are 95% confident the mean monthly cell phone bill is between $ 84.12 and $106.6
OB. There is a 95% probability that the mean monthly cell phone bill is between $
and S
Transcribed Image Text:Cell phone bill ($)
85.83 56.54
80.00
45.10
145.56
0.00
99.80
104.06
87.65 167.87
186.11
70.00
69.65
55.25
66.82
79.62
134.16 182.00 49.90
65.28
29.96
99.43
90.24
90.24
166.33
93.00 14.98
103.40
60.05
153.68 149.38
205.14
98.02
54.83
54.74
19.95 250.42
170.81
150.00 100.17 45.13
100.40 35.03 50.00
150.06 78.75
59.84 79.62
0.00 60.00
200.43
9.99
144.80 89.11
135.51
110.41
66.00 109.16
30.11
55.26
52.85 83.09
32.16
51.00
49.79
80.37
67.55
49.81
69.84 52.48
181.59
50.01
149.47 102.59
0.00
74.66
107.11 79.22 30.01
99.59
60.00
74.81
42.35
29.98
200.81
81.00
19.90
432.72
109.58
35.99
69.99 101.00
163.17
129.69
149.57
112.79
149.66
24.99
100.49
107.00
371.88
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