Test: SAT Mathematics

1.

A student wants to find out whether mothers in his city support a local initiative to redesign the city’s largest park. He decides to conduct a poll on this question by calling the home phone numbers of all 300 students in his private high school, asking to speak to their mothers, and recording their responses as yes, no, or no preference. Of the calls, 250 were answered and 200 mothers responded “yes,” with 40 saying “no” and 10 saying “no preference.”

Does this survey lead to the conclusion that most mothers in the city support the initiative to redesign the park?

 

No, because we do not know how the mothers who did not answer the phone would have responded.

Yes, because 80% of the mothers who answered are in favor of the initiative.

No, because the mothers of private high school students may not be representative of all mothers in the city.

Yes, because there are five times as many “yes” answers as “no” answers.

1/10 questions

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