Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p 1 − p 2 .

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Answer 1

Question

Chapter 9.2, Problem 24E

a.

To determine

Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p1−p2.

b.

To determine

Check whether the confidence interval obtained in part (a) contradicts the claim given by the sociologist.

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Answer 2

Question

Chapter 9.2, Problem 24E

a.

To determine

Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p1−p2.

b.

To determine

Check whether the confidence interval obtained in part (a) contradicts the claim given by the sociologist.

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Answer 3

Question

Chapter 9.2, Problem 24E

a.

To determine

Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p1−p2.

b.

To determine

Check whether the confidence interval obtained in part (a) contradicts the claim given by the sociologist.

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Answer 4

Question

Chapter 9.2, Problem 24E

a.

To determine

Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p1−p2.

b.

To determine

Check whether the confidence interval obtained in part (a) contradicts the claim given by the sociologist.

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Answer 5

Chapter 9.2, Problem 24E

a.

To determine

Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p1−p2.

b.

To determine

Check whether the confidence interval obtained in part (a) contradicts the claim given by the sociologist.

Answer 6

Chapter 9.2, Problem 24E

a.

To determine

Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p1−p2.

Answer 7

Chapter 9.2, Problem 24E

a.

To determine

Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p1−p2.

Answer 8

b.

To determine

Check whether the confidence interval obtained in part (a) contradicts the claim given by the sociologist.

Answer 9

b.

To determine

Check whether the confidence interval obtained in part (a) contradicts the claim given by the sociologist.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 9.1 - Prob. 1CYU Ch. 9.1 - Prob. 2CYU Ch. 9.1 - Prob. 3CYU Ch. 9.1 - Prob. 4CYU Ch. 9.1 - Prob. 5CYU Ch. 9.1 - Prob. 6CYU Ch. 9.1 - Prob. 7E Ch. 9.1 - Prob. 8E Ch. 9.1 - Prob. 9E Ch. 9.1 - Prob. 10E

Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p 1 − p 2 .

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Construct the 95% confidence interval for the difference between the proportion of people satisfied in the first survey and the proportion of people satisfied in the survey taken after 2 years p1−p2.

Check whether the confidence interval obtained in part (a) contradicts the claim given by the sociologist.

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