The figure to the right shows the results of a survey in which 1013 adults from Country A, 1001 adults from Country B, 1021 adults from Country C, 1018 adults from Country D, and 1010 adults from Country E were asked whether national identity is strongly tied to birthplace. National Identity and Birthplace People from different countries who believe national identity is strongly tied to birthplace Country A 33% Country B 20% Country C 25% Country D 49% Country E 14% Construct a 95% confidence interval for the population proportion of adults who say national identity is strongly tied to birthplace for each country listed. The 95% confidence interval for the proportion of adults from Country A who say national identity is strongly tied to birthplace is (0.301,0.359). (Round to three decimal places as needed.) The 95% confidence interval for the proportion of adults from Country B who say national identity is strongly tied to birthplace is (0.175.0.225) (Round to three decimal places as needed.) The 95% confidence interval for the proportion of adults from Country C who say national identity is strongly tied to birthplace is ( ). (Round to three decimal places as needed.)

The figure to the right shows the results of a survey in which 1013 adults from Country A, 1001 adults from Country B, 1021 adults from Country C, 1018 adults from Country D, and 1010 adults from Country E were asked whether national identity is strongly tied to birthplace. National Identity and Birthplace People from different countries who believe national identity is strongly tied to birthplace Country A 33% Country B 20% Country C 25% Country D 49% Country E 14% Construct a 95% confidence interval for the population proportion of adults who say national identity is strongly tied to birthplace for each country listed. The 95% confidence interval for the proportion of adults from Country A who say national identity is strongly tied to birthplace is (0.301,0.359). (Round to three decimal places as needed.) The 95% confidence interval for the proportion of adults from Country B who say national identity is strongly tied to birthplace is (0.175.0.225) (Round to three decimal places as needed.) The 95% confidence interval for the proportion of adults from Country C who say national identity is strongly tied to birthplace is ( ). (Round to three decimal places as needed.)

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Description: The figure displays the results of a survey where 1013 adults from Country A, 1001 adults from Country B, 1021 adults from Country C, 1018 adults from Country D, and 1010 adults from Country E were asked whether national identity is strongly tied to

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Inverse Normal Distribution

The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.

Mean, Median, Mode

It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.

Z-Scores

A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.

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Question

The figure displays the results of a survey where 1013 adults from Country A, 1001 adults from Country B, 1021 adults from Country C, 1018 adults from Country D, and 1010 adults from Country E were asked whether national identity is strongly tied to birthplace.

### National Identity and Birthplace
**People from different countries who believe national identity is strongly tied to birthplace:**

- **Country A:** 33%
- **Country B:** 20%
- **Country C:** 29%
- **Country D:** 25%
- **Country E:** 14%

### Instructions

Construct a 95% confidence interval for the population proportion of adults who say national identity is strongly tied to birthplace for each country listed.

- **Country A:** The 95% confidence interval for the population proportion of adults from Country A who say national identity is strongly tied to birthplace is $ (0.301, 0.359) $.

- **Country B:** The 95% confidence interval for the population proportion of adults from Country B who say national identity is strongly tied to birthplace is $ (0.175, 0.225) $.

- **Country C:** Enter the 95% confidence interval for the population proportion of adults from Country C who say national identity is strongly tied to birthplace in the provided spaces.

Enter your answer in the edit fields and then click "Check Answer."

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