MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
100%

Please Answer Part a and b correctly

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 4604 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 4.3%. 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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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 4604 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 4.3%. 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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