Arectangular garden plot is 18 ft long and 12 ft wide. the owner of the garden wants to plant tomato plants in the plot. each plant needs a space that is approximately 2 ft by 2 ft. which estimate best approximates the number of tomato plants that can be planted in the plot? 20 50 110 220

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