The actual distance between two cities is 2250 miles. the distance between the two cities on a map is 15 inches. what is the scale of the map? a. 1 in. : 15 mi.
b. 1 in. : 105 mi.
c. 1 in. : 125 mi.
d. 1 in. : 150 mi.

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