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35. According to a recent​ report, 48​% of college student internships are unpaid. A recent survey...

35. According to a recent​ report, 48​% of college student internships are unpaid. A recent survey of 60 college interns at a local university found that 40 had unpaid internships.

a. Use the​ five-step p-value approach to hypothesis testing and a 0.05 level of significance to determine whether the proportion of college interns that had unpaid internships is different from 0.48.

Let π be the population proportion. Determine the null​ hypothesis and the alternative​ hypothesis.

What is the test​ statistic?

What is the​ p-value?

What is the final​ conclusion?

b. Assume that the study found that 53 of the 60 college interns had unpaid internships and repeat​ (a). What is the test​ statistic?

What is the​ p-value?

What is the final​ conclusion?

Math   Statistics-And-Probability   
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