a. A random sample of 180 students from a private kindergarten produces mean weight of 46.3kg with sample standard.deviation 4.7. Construct a 95% confidence interval for the mean weights of all students at the kindergarten. b. A random sample of older people were asked "Would you like to turn back to younger years if you were given the opportunity for a second time? Of the 250 people surveyed, 195 of them said that they would do so. Find the value of p-hat and q-hat. Answer up to 2 decimal places. Show your works.
a. A random sample of 180 students from a private kindergarten produces mean weight of 46.3kg with sample standard.deviation 4.7. Construct a 95% confidence interval for the mean weights of all students at the kindergarten. b. A random sample of older people were asked "Would you like to turn back to younger years if you were given the opportunity for a second time? Of the 250 people surveyed, 195 of them said that they would do so. Find the value of p-hat and q-hat. Answer up to 2 decimal places. Show your works.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 2 images
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning