A while ago, I asked n=44 of my students in a stats class to estimate the number of pages in a book and, I recorded their answers. The sample mean was 246.89 pages with a standard deviation of 77.56...

Extracted text: A while ago, I asked n=44 of my students in a stats class to estimate the number of pages in a book and, I recorded their answers. The sample mean was 246.89 pages with a standard deviation of 77.56 pages. a. Calculate a 95% Confidence interval for the true mean of number of pages that they were trying to guess. b. If the true number of pages in that book was 254, do you think they did a good job in estimating it? Justify