The temperature at 5:00 p. m. was -2°F. If the temperature dropped 6°F by 9:00 p. m., what was the temperature at 9:00 p. m.?

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