IMathAS-libretexts

A simple random sample of 1,110 adult Americans is selected, and each person is asked the following question:

In light of the huge national deficit, should the government at this time spend additional money to establish a national system of health insurance?

Only 39% of those responding answered yes. The results of this survey:

are reasonably accurate because it used a large simple random sample.
probably overstate the percentage of people who favor a system of national health insurance because of the question's wording.
probably understate the percentage of people who favor a system of national health insurance because of the question's wording.
is inaccurate because of voluntary response.
is inaccurate because of convenience sampling.

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