Compute a 95% confidence interval for the difference between the proportion of students favoring team A between the two surveys. Is there a significant difference?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
icon
Related questions
Question
A survey of 1000 students concluded that 274 students chose a professional baseball team, A, as his or her favorite team. In
1991, the same survey was conducted involving 760 students. It concluded that 240 of them also chose team A as their favorite.
Compute a 95% confidence interval for the difference between the proportion of students favoring team A between the two
surveys. Is there a significant difference?
(upload the picture of your complete solutions. Round off you final answer into five decimal places)
Use the editor to format your answer
Transcribed Image Text:A survey of 1000 students concluded that 274 students chose a professional baseball team, A, as his or her favorite team. In 1991, the same survey was conducted involving 760 students. It concluded that 240 of them also chose team A as their favorite. Compute a 95% confidence interval for the difference between the proportion of students favoring team A between the two surveys. Is there a significant difference? (upload the picture of your complete solutions. Round off you final answer into five decimal places) Use the editor to format your answer
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning