Rip van winkle fell asleep for a very long time. when he fell asleep, his beard was 8 millimeters long, and each passing week it grew 2 additional millimeters.

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