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  3. 2. one‐sample univariate hypothesis testing

2. One‐Sample Univariate Hypothesis Testing with Proportions For this question, show the results “by hand”, but...

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Basic Math

2. One‐Sample Univariate Hypothesis Testing with Proportions

For this question, show the results “by hand”, but you can use Rto check your work. Suppose that the 4‐year graduation rate at alarge, public university is 70 percent (this is the populationproportion of successes). In an effort to increase graduationrates, the university randomly selected 200 incoming freshman toparticipate in a peer‐advising program. After 4 years, 154 of thesestudents graduated. What are the null and alternative hypotheses?Can you conclude that this program was a success at the 5‐percentlevel of significance? Can you conclude that the program is asuccess at the 1‐percent level of significance? Show your work andexplain. Since “success” is an increase in graduation rates, thisis a one‐tailed test.

Answer & Explanation Solved by verified expert
4.3 Ratings (651 Votes)
Given that n200 X154 and Population proportion is 1 The following null and alternative hypotheses need to betestedThis corresponds to a righttailed test for which a ztest forone    See Answer
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