C is the answer when you are trying to answer of that equation
Explanation
In this sample, people elect to participate or self-select to do the survey. Often, these folks have a strong interest in the main topic of the survey.
In essence, they volunteer to inform the trucking company about the activities of their drivers. That makes this a voluntary sample.
Answer: Voluntary Sampling Method
Alright! So, we know that in his drawing the living room is 2 millimeters long, and in reality it is 10 meters long. So, to find out how much 1 millimeter is we divide 10 by 2.
[10 ÷ 2] = 5.
One millimeter is 5 meters in reality.
The ratio is 1:5
20/10 is 2 so he can detail two cars an hour
Answer:0.212765957
Step-by-step explanation: