A philanthropic organization sent free mailing labels andgreeting cards to a random sample of 100,000 potential donors ontheir mailing list and received 5080 donations.(a) Give a 99%confidence interval for the true proportion of those from theirentire mailing list who may donate.(b) A staff member thinks thatthe true rate is 5%.
Given the confidence interval you found, do you find that rateplausible?
(a) What is the 99% confidence interval?
The 99% confidence interval is from ___% to ___%.
(Round to two decimal places as needed.)
Part 2
(b) Given the confidence interval you found, is the proposedtrue rate, 5%, plausible?
Yes or No
A philanthropic organization sent free mailing labels and greeting cards to a random sample of 100,000 potential donors
-
answerhappygod
- Site Admin
- Posts: 899603
- Joined: Mon Aug 02, 2021 8:13 am