From a list of 3050 names and addresses of students, a simple random sample of 200 names on investigation showed 50 wrong addresses. (i) Estimate the total number of addresses needing correction on the list. (ii) Find the standard error of the estimates of the proportion and total. (iii) Construct and interpret a 90% confidence interval for the total number of wrongly recorder addresses on the list.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
icon
Related questions
Question

a) From a list of 3050 names and addresses of students, a simple random sample of 200 names on investigation showed 50 wrong addresses.

(i) Estimate the total number of addresses needing correction on the list.

(ii) Find the standard error of the estimates of the proportion and total.

(iii) Construct and interpret a 90% confidence interval for the total number of wrongly recorder addresses on the list.

Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Similar questions
Recommended textbooks for you
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill