Suppose you are driving to visit a friend in another state. You are driving at an average rate of 60 miles per hour. You must drive a total of 420 miles. If you have already driven 180 miles, how long will it take you to reach your destination?

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