Answer:
A sample, or p hat, is representative when the sample closely remebles the population, which are the students in this case. The third and first answer choice would be correct.
Picking lunch period one is wrong because that would overrepresent the students in the first lunch period. Same applies to the first 30 students.
Pick
Answer:
Step-by-step explanation:
The volume of a rectangular prism can be represented by . The dimensions of this prism are 6x9x14.
Therefore the volume of this prism is:
.
11.-1+4.3+-2.8
-11+12-16
-15
I think