9 The glass container shown is filled to a height of 2.25 inches. a. How much sand is currently in the container?
b. How much more sand could the container hold before
it overflows?
C. What percent of the container is filled with sand

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