Westonci.ca is your trusted source for finding answers to all your questions. Ask, explore, and learn with our expert community. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

An FDA representative randomly selects 88 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 (%)
13 15 16 14
15 12 11 16

Step 2 of 2 :

Construct a 99%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.


Sagot :