The following students are enrolled in a course in Introductory Sociology. They are listed along with their year in school and whether they are majoring in sociology.

What is the probability of selecting at random from this class
a. A sophomore?
b. A student majoring in sociology?
c. A freshman or a sophomore?
d. Not a freshman?

Transcribed Image Text:

Sociology nt Year Major 1 Sophomore Yes 2 Senior 3 Junior 4 Freshman 5 Freshman 6 Sophomore Yes 7 Sophomore Yes 8 Junior 9 Sophomore Yes 10 Sophomore Student No Yes No Yes No No