A community is considering raising funds to pay for improvements to the community swimming pool. To measure the level of interest, community leaders survey patrons of the community pool on a Saturday afternoon. Of the 103 patrons surveyed, 87 approve of raising funds to pay for improvements. Which of the following is a true statement regarding the design and results of the survey?
This is a convenience sample and is representative of community support.
This is a convenience sample and likely overestimates support for raising funds.
This is a voluntary response sample and likely overestimates support for raising funds.
This is a voluntary response sample and likely underestimates support for raising funds.