George does not like the fact that his neighborhood makes it mandatory to pay a yearly fee to use the pool. he conducts a survey of all the neighborhood families to support his case that the yearly fee should be voluntary. the survey asks questions about pool usage and financial statistics of the families. is this a valid survey? why or why not? a) no, george should only survey families that support his view. b) no, george should attach information about why the fee should be voluntary. c) yes, since george is trying to convince the board to change the requirement he needs results to support his opinion. d) yes, since george is surveying all of the families in his neighborhood he is getting the opinions of the entire population.