math

The city of Valley Grove is considering shortening the length of the school day. The school board hired Mr. Kent to do a survey to help them decide what to do.

What I have to answer:

a. Mr. Kent interviewed 54 students as they left the school. Is this a random sample? Explain.

b. Mr. Kent used this survey question: "Should the lengthy school day, which now extends for 7.5 hours, be shortened to 6 hours?" Is this question biased or fair? Explain.

c. Of the 54 responses he received, 51 were "yes." The rest were "no." What percent of the responses were "no"?

i think i have the answer to b: biased because he phrased it to make the day sound a lot longer because he said lengthy and such. i need help on c and a though. help?

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asked by help?
  1. a. Can you think of any way to get a more random sample?

    b. - yes

    c. (3/54) * 100 = ______ %

  2. Not sure on A, but I know C. Around %6 said no, bc 51 said yes and 54 replied in total. 54 - 51 = 3, 3/54 = 0.0555555 according to my calculator, then that multiplied by 100 = 5.55 = %6.

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  3. Also ty Get Schooled and Ms. Sue

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    posted by help?
  4. Y.W.

  5. You're welcome, and I think that what you were saying is right. They only asked students, who of course would want like, no school. Teachers may have different opinions because of how long they need to teach a successful class.

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