a) A college principal decides to consult the students about a proposed change in the time of lectures. She finds that out of a random sample of 80 students, 57 are in favour of the change. i. Calculate a 95% confidence interval for the proportion of students who are not in favour of the change. State the effect on the width of such a confidence larval when the confidence level is increased. ii.
a) A college principal decides to consult the students about a proposed change in the time of lectures. She finds that out of a random sample of 80 students, 57 are in favour of the change. i. Calculate a 95% confidence interval for the proportion of students who are not in favour of the change. State the effect on the width of such a confidence larval when the confidence level is increased. ii.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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 2 steps with 1 images
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