The U.S. Census Bureau conducts a study to determine the time needed to complete the short form. The Bureau surveys 400 people. The sample mean is 8.8 minutes. There is a known standard deviation of 2.13 minutes. The population distribution is assumed to be normal. Find the 94% confidence interval. all answers to the nearest hundredth. (a) = (b) s = (c) σ = (d) n = Enter DNE if this is unknown. Enter DNE if this is unknown. (e) Critical Value ? ✓ = (f) Find the 94% confidence interval and complete the sentence below. Conclusion: We estimate with complete the short form is between % confidence that the mean time in minutes to and minutes.
The U.S. Census Bureau conducts a study to determine the time needed to complete the short form. The Bureau surveys 400 people. The sample mean is 8.8 minutes. There is a known standard deviation of 2.13 minutes. The population distribution is assumed to be normal. Find the 94% confidence interval. all answers to the nearest hundredth. (a) = (b) s = (c) σ = (d) n = Enter DNE if this is unknown. Enter DNE if this is unknown. (e) Critical Value ? ✓ = (f) Find the 94% confidence interval and complete the sentence below. Conclusion: We estimate with complete the short form is between % confidence that the mean time in minutes to and minutes.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
Related questions
Question
Don't know how to solve
![The U.S. Census Bureau conducts a study to determine the time needed to complete the
short form. The Bureau surveys 400 people. The sample mean is 8.8 minutes. There is a
known standard deviation of 2.13 minutes. The population distribution is assumed to be
normal. Find the 94% confidence interval. all answers to the nearest hundredth.
(a) =
(b) s =
(c) 0 =
(d) n =
Enter DNE if this is unknown.
Enter DNE if this is unknown.
(e) Critical Value ? ✓ =
(f) Find the 94% confidence interval and complete the sentence below.
Conclusion: We estimate with
complete the short form is between
% confidence that the mean time in minutes to
and
minutes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F82a8ebfc-76c9-419b-9ea9-29a90be836d5%2F61fd4e47-1b04-40cf-8f15-af128327c041%2F0iu7vl1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The U.S. Census Bureau conducts a study to determine the time needed to complete the
short form. The Bureau surveys 400 people. The sample mean is 8.8 minutes. There is a
known standard deviation of 2.13 minutes. The population distribution is assumed to be
normal. Find the 94% confidence interval. all answers to the nearest hundredth.
(a) =
(b) s =
(c) 0 =
(d) n =
Enter DNE if this is unknown.
Enter DNE if this is unknown.
(e) Critical Value ? ✓ =
(f) Find the 94% confidence interval and complete the sentence below.
Conclusion: We estimate with
complete the short form is between
% confidence that the mean time in minutes to
and
minutes.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
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 5 steps with 2 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![Big Ideas Math A Bridge To Success Algebra 1: Stu…](https://www.bartleby.com/isbn_cover_images/9781680331141/9781680331141_smallCoverImage.jpg)
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![Big Ideas Math A Bridge To Success Algebra 1: Stu…](https://www.bartleby.com/isbn_cover_images/9781680331141/9781680331141_smallCoverImage.jpg)
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt