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The Quinnipiac polling institute claims that 70% of college stu- dents live on campus. A researcher...

The Quinnipiac polling institute claims that 70% of college stu- dents live on campus. A researcher takes a sample of 200 college students to see if the proportion is less. In the researcher’s sample, 132 college students live on campus.

(a) Develop the null and alternative hypotheses.

(b) At α = 0.02, what is the rejection rule?

(c) What is the value of the test statistic z?

(d) Should the researcher reject H0?

(e) Based on your answer in part (d), what is our conclusion for THIS SITUATION? Be specific.

Math   Statistics-And-Probability   
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