Mat 147 Statistics Summer | 2021 Angela Pizzi & | 06/20 Homework: Homework 4 Score: 0 of 1 pt 5 of 20 (14 complete) HW Score: 42.21%, 13.1.35-T Question 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 4795 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.)