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BUAL 2600 – Section 6 (8:00 am) Class Exercise 14 Show all of your work. Scienti

ID: 338687 • Letter: B

Question

BUAL 2600 – Section 6 (8:00 am)

Class Exercise 14

Show all of your work.

Scientists working for a major drug company have developed a new antibiotic called Phe-Mycin. The company wishes to estimate p, the proportion of all patients who would experience nausea as a side effect when being treated with Phe-Mycin. Suppose that a sample of 200 patients is randomly selected. When these patients were treated with Phe-Mycin, 35 experienced nausea.

1. What is the sample estimate of the proportion (p?)? (1 point)

2. Show whether the study meets the success/failure condition. (2 points)

3. Calculate the SE(p?). (2 points)

4. Calculate a 95 percent confidence interval. (3 points)

5. Suppose the drug company wishes to find the size of the random sample that is needed in order to obtain a 2 percent margin of error with 95 percent confidence. (2 points)

Explanation / Answer

BUAL 2600 – Section 6 (8:00 am)

Class Exercise 14

Show all of your work.

Scientists working for a major drug company have developed a new antibiotic called Phe-Mycin. The company wishes to estimate p, the proportion of all patients who would experience nausea as a side effect when being treated with Phe-Mycin. Suppose that a sample of 200 patients is randomly selected. When these patients were treated with Phe-Mycin, 35 experienced nausea.

1. What is the sample estimate of the proportion (p?)? (1 point)

2. Show whether the study meets the success/failure condition. (2 points)

3. Calculate the SE(p?). (2 points)

4. Calculate a 95 percent confidence interval. (3 points)

5. Suppose the drug company wishes to find the size of the random sample that is needed in order to obtain a 2 percent margin of error with 95 percent confidence. (2 points)