This problem deals with the EV and the SE of the sample sum, average, and percent when 36 draws are made at random with replacement from the box containing 6 tickets:
0 0 2 2 2 6
The SD of the box is 2.
What is the smallest possible the sum of the 36 draws can be?

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected