Question 12) A simple random sample of 1200 adult Americans is selected and each

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Question 12) A simple random sample of 1200 adult Americans is selected and each person is asked the following questions.
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. This survey

A) is reasonably accurate because it used a large, simple random sample.
B) probably overstates the percentage of people that favor a system of national health insurance.
C) probably understates the percentage of people that favor a system of national health insurance.
D) is very inaccurate, but neither understates nor overstates the percentage of people that favor a system of national health insurance. Because simple random sampling was used, it is unbiased.

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Explanation / Answer

A simple random sample of 1200 adult Americans is selected and each person is asked the following questions.
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. This survey

D) is very inaccurate, but neither understates nor overstates the percentage of people that favor a system of national health insurance. Because simple random sampling was used, it is unbiased.

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