Could someone help me with this problem? Thank you in advance!

Here are summary statistics for randomly selected weights of newborn girls n = 249. x - 26.8 hg, s = 7.4 hg. Construct a confidence interval estimate of the mean, Use a 98%% confidence level, Are these results very different from the confidence interval 24.5 hg su - 29.3 hg with only 12 sample values, x = 26.9 ng, and s = 3.1 hg? What is the confidence interval for the population mean ? hg