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According to a recent report, 45% of college student internships are unpaid. A recent survey of...

According to a recent report, 45% of college student internships are unpaid. A recent survey of 100 college interns at a local university found that 48 had unpaid internships.

a. Use the five-step p-value approach to hypothesis testing and a 0.01 level of significance to determine whether the proportion of college interns that had unpaid internships is different from 0.45

b. Assume that the study found that 60 out of the 100 college interns had unpaid internships and repeat (a). A re the conclusions the same?

(a) what is the Zstat for both A and B in the question above?

(b) what is the critical value(s) for both A and B in the question above?

(c) what is the p-value for both A and B in the question above?

(d) what is the final conclusion?

Math   Statistics-And-Probability   
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