How long is 5 meters? hey i really want to know how long 5 meters is. i kinda need to know today because school is tommorow you to everybody who will reply!

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