mailing list and received 4708 donations. (a) Give a 99% 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 4.8%. Given the confidence interval you found, do you find that rate plausible? (a) What is the 99% confidence interval? The 99% confidence interval is from% to%. (Round to two decimal places as needed.)

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?
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A philanthropic organisation sent free mailing labels and greeting cards to a random sample of 100,000 potential donors on their
mailing list and received 4708 donations.
(a) Give a 99% 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 4.8%. Given the confidence interval you found, do you find that rate plausible?
(a) What is the 99% confidence interval?
The 99% confidence interval is from% to%.
(Round to two decimal places as needed.)
Transcribed Image Text:A philanthropic organisation sent free mailing labels and greeting cards to a random sample of 100,000 potential donors on their mailing list and received 4708 donations. (a) Give a 99% 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 4.8%. Given the confidence interval you found, do you find that rate plausible? (a) What is the 99% confidence interval? The 99% confidence interval is from% to%. (Round to two decimal places as needed.)
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