0 Question 9 v Estimate the population mean by finding a 99.5% confidence interval given a sample of size 941 , with a mean of 15.2 and a standard deviation of 13.5. Preliminary: a. Is it safe to assume that n S 0.05 of all subjects in the population? /' \\_ Yes No b. Is 11 2 30? z'x. NO Yes Confidence Interval: What is the 99.5% confidence interval to estimate the population mean? Enter the tri- linear inequality values accurate to one decimal place. DMD Question Help: 8 Message instructor Submit Question 0 Question 9 ' Estimate the population mean by finding a 99.9% confidence interval given a sample of size 966, with a mean of 76.2 and a standard deviation of 9.2. Preliminary: a. Is it safe to assume that n S 0.05 of all subjects in the population? " No Yes b. Is n 2 30? Yes -x. No Confidence Interval: What is the 99.9% confidence interval to estimate the population mean? Enter the tri- linear inequality values accurate to one decimal place. DMZ] Question Help: 8 Message instructor Submit