Answer: test had less than perfect reliability
Explanation: The test score used by the college to predict how a student will perform could be said to have less than perfect reliability. This proved to be the case due to the students actual performance when later admitted based on intervention. It shows that the test score can not consistently serve as proof that only students who have above the cut off mark will be good performers in the college. Therefore, it could be concluded that the test score had less than perfect reliability based on the the eventual performance of the student.
E if a house is ready for the buyer to move in
Answer: In the NEED TO KNOW principle.
The need to know principle is a rule used in organisations to allow employees access ONLY the information and data needed for them to work.
In this principle, even if one has the rights to all the information in the Organisation, access will not be granted except they need to use he information to work.
This principle is mainly used in the military and in financial services.
There a lot of different reason, but several would be the "Tariff of Abominations", political parties and public debt.