Find the area of a rectangle with a length of 10 cm and a width of 7 cm. 70 cm
17 cm2
70 cm2
17 cm

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