The Pew Research Center conducted a survey of 45,535 adults in 40 countries to learn about major concerns for the future (Pew Research Center website, December 5, 2015). The survey results showed that 20,901 of the respondents are very concerned about climate change. a. What is the point estimate of the population proportion of adults who are very concerned about climate change? b. At 90% confidence, what is the margin of error? c. Develop a 90% confidence interval for the population proportion of adults who are very concerned about climate change.

# The Pew Research Center conducted a survey of 45,535 adults in 40 countries to learn about major concerns for the future (Pew Research Center website, December 5, 2015). The survey results showed that 20,901 of the respondents are very concerned about climate change. a. What is the point estimate of the population proportion of adults who are very concerned about climate change? b. At 90% confidence, what is the margin of error? c. Develop a 90% confidence interval for the population proportion of adults who are very concerned about climate change.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 4BGP

Related questions

Question

The Pew Research Center conducted a survey of 45,535 adults in 40 countries to learn

about major concerns for the future (Pew Research Center website, December 5, 2015).

The survey results showed that 20,901 of the respondents are very concerned about

climate change.

a. What is the point estimate of the population proportion of adults who are very concerned about climate change?

b. At 90% confidence, what is the margin of error?

c. Develop a 90% confidence interval for the population proportion of adults who are

very concerned about climate change.

d. Develop a 95% confidence interval for the population proportion of adults who are

very concerned about climate change.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you

Glencoe Algebra 1, Student Edition, 9780079039897…

Algebra

ISBN:

9780079039897

Author:

Carter

Publisher:

McGraw Hill

Glencoe Algebra 1, Student Edition, 9780079039897…

Algebra

ISBN:

9780079039897

Author:

Carter

Publisher:

McGraw Hill