A laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 244 milligrams with s = 16.3 milligrams. 1. The degrees of freedom for the Studentized version of the sample mean is 2. The point estimate for the true mean of all such eggs is milligrams 3. The t-value for a 95% confidence interval is t = (Round to 3 decimal places) 4. The Margin of error for a 95% confidence interval for this sample is (Round to one decimal place) 5. The 95 % confidence interval estimate of the true mean of all such eggs is