A philanthropic organization sent free mailing labels and greeting cards to a random sample of 100,000 potential donors on their mailing list and received 4900 donations.a) Given a 95% confidence interval for the true proportion of those from their entire mailing list who may donate?b) A staff member thinks that the true rate is 5.0%. Given the confidence interval you have found, do you find the rate plausible?
A philanthropic organization sent free mailing labels and greeting cards to a random sample of 100,000 potential donors on their mailing list and received 4900 donations.a) Given a 95% confidence interval for the true proportion of those from their entire mailing list who may donate?b) A staff member thinks that the true rate is 5.0%. Given the confidence interval you have found, do you find the rate plausible?
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
Related questions
Question
A philanthropic organization sent free mailing labels and greeting cards to a random sample of 100,000 potential donors on their mailing list and received 4900 donations.
a) Given a 95% confidence interval for the true proportion of those from their entire mailing list who may donate?
b) A staff member thinks that the true rate is 5.0%. Given the confidence interval you have found, do you find the rate plausible?
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