Show transcribed image text 16.1.23-T Question Help 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 4652 donations. (a) Give a 90% 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 90% confidence interval? The 90% confidence interval is from 1% to â–¡%. (Round to two decimal places as needed.)
16.1.23-T Question Help 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 4652 donations. (a) Give a 90% 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 90% confidence interval? The 90% confidence interval is from 1% to â–¡%. (Round to two decimal places as needed.)