AnswersMathematics for College Liberal Arts Sem 1 1207350 BCPS 2025-26Boxplots and Outliers

Population Proportion Answers

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1
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⇒ 1.0

Answer:

126916

2
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0.130.330.38✔ 0.87

A
0.13
B
0.33
C
0.38
D
✔ 0.87
3

1.82.6✔ 2.94.1

A
1.8
B
2.6
C
✔ 2.9
D
4.1
4

✔ 35.235.736.837.3

A
✔ 35.2
B
35.7
C
36.8
D
37.3
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Question text not available

Answer:

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126920

Complete the statements.

Answers:
The estimated population proportion, , is %.:33
When the margin of error is calculated using the formula E = z* , to the nearest tenth of a percent, the result is %.:2.2
With 95% confidence, it can be said that the proportion of subscribers who would like more coverage of national news is between % and%.:30.8
With 95% confidence, it can be said that the proportion of subscribers who would like more coverage of national news is between % and%.:35.2
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✔ 2.22.7 3.84.3

A
✔ 2.2
B
2.7
C
3.8
D
4.3
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⇒ 1,752

Answer:

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126925

Complete the statements to find the margin of error.

Answers:
The sample size in this problem is students.:500
The population proportion is estimated as .:0.87
formula E = z* , to the nearest tenth of a percent, the result is %.:2.9
126926

Complete the statement to form the conclusion.It can be said with

A
90% confidence that between 42.5% and 47.9% of Americans own a dog.
B
90% confidence that between 45.2% and 54.8% of Americans own a dog.
C
95% confidence that between 42.5% and 47.9% of Americans own a dog.
D
95% confidence that between 45.2% and 54.8% of Americans own a dog.
126927

If Terrence and Deena use the same confidence level, which statement best describes the results of their margin of error calculations?

A
Terrence’s margin of error will be exactly three times as large as Deena’s.
B
Deena’s margin of error is half the amount of Terrence’s.
C
If Terrence samples 800 more people, his margin of error will be the same as Deena’s.
D
If Deena samples 400 fewer people, her margin of error would be exactly half the amount of Terrence’s.
126928

How many households would Marcus have to survey in order to meet his requirements? n = (1 – ) •

Question illustration
A
99 households
B
267 households
C
463 households
D
925 households
126929

28.729.230.3✔ 30.8

A
28.7
B
29.2
C
30.3
D
✔ 30.8
126930

Complete the statements.

Answers:
The estimated population proportion, , is %.:33
When the margin of error is calculated using the formula E = z* , to the nearest tenth of a percent, the result is %.:2.2
With 95% confidence, it can be said that the proportion of subscribers who would like more coverage of national news is between % and%.:30.8
With 95% confidence, it can be said that the proportion of subscribers who would like more coverage of national news is between % and%.:35.2

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