In: Statistics and Probability
Using the demographic information in the table below, consider the following scenario: A teacher chooses a student to dim the lights and a student to shut the door. In how many ways can the teacher do this if a student may do both jobs and:
Total number of students in the class | 50 |
Number of Boys | 35 |
Number of girls | 15 |
Number of freshman | 22 |
Number of sophomores | 13 |
Number of juniors | 9 |
Number of seniors | 6 |
Number of education majors | 7 |
Number of non-education majors | 43 |
a. Both are girls?
b. One is a boy and one is a girl?
c. At least one is a boy?
d. The door closer is a boy?
e. Neither are seniors?
f. Neither are education majors?