Answer:
B) randomly select people from all residents of the apartment building
Explanation:
First let's see what a sample is.
Sample is nothing but taking a few people for a survey from the entire population. When want to take the survey we cannot ask the opinion of the entire population. We take a few people from the group, ask their opinion and draw for a conclusion for the entire group.
In this case, to building a pool in the apartment, we take a few from the apartment and ask their opinion.
Therefore, answer is B) randomly select people from all residents of the apartment building
Hope this will helpful.
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