There’s 5 boxes of markers in the drawer. each box contains 24 markers and more than 60% of the markers are blue markers. find the minimum number of blue markers in all the 5 boxes.

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