(8 points) Here are the data on the age for a random sample of instructors working in three different colleges. College A 47 54 52 College B 33 33 34 College C 49 54 46 48 49 47 37 39 41 43 54 46 Use appropriate 99% confidence intervals to complete the each of the following questions. Part A We are 99% confident that the mean age of all instructors in College A is ? by between years old and (Round the numeric answers to 5 decimal places) Part B College B years old. College C years old. We are 99% confident that the mean age of all instructors in College A is ? by between years old and (Round the numeric answers to 5 decimal places) Part E We are 99% confident that the mean age of all instructors in College B is ? by between years old and (Round the numeric answers to 5 decimal places) College C years old.