BHS Statistics Quickie Questions

February 29, 2000

Here is a table containing information about students enrolled at Vanderbilt University. Entries are percent of all students.

 Region Major West Midwest NorthEast South Social Sciences 5.6% 7.8% 10.4% 13.3% Natural Sciences 1.8% 2.5% 3.4% 4.3% Fine Arts 2.7% 3.8% 5.0% 6.5% Education 3.0% 4.2% 5.6% 7.2% Other 2.0% 2.7% 3.6% 4.7%
1. What does "4.2%" stand for under "Midwest"?
2.

3. What fraction of all Vanderbilt students major in Education?

1. Here is a question: What is the probability that a Vanderiblt student, drawn at random, is a Fine Arts student from the West?
1. What is the probabilistic situation presumed by this question?

2. Answer the question. (Write the expression you would calculate. Do not calculate it.)
2. Here is a question: What is the probability that a Southern student is a Social Sciences major?
1. What is the probabilistic situation presumed by this question?

2. Answer the question. (Write the expression you would calculate. Do not calculate it.)