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 4981 donations. (a) Give 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 4.7%. Given the confidence interval you found, do you find that rate plausible? (a) What is the 95% confidence interval? The 95% confidence interval is from to (Round to two decimal places as needed) CRED

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