Need help thanks

An FDA representative randomly selects 9 packages of ground chuck from a grocery store and measures the fat content (as a percent) of each package. Assume that the fat contents have an approximately normal distribution. The resulting measurements are given below. Fat Contents (%) a Copy Data Step 2 of 2: Construct a 99 % confidence interval for the true mean fat content of all the packages of ground beef. Round the endpoints to two decimal places, if necessary