Question: A survey of students in a large Introductory Statistics class asked about their birth order (1=oldest or only child) and which college of the university they were enrolled in. Here are the dates:

Suppose we select a student at random from this class.
a) What is the probability we select a Human Ecology student?
b) What is the probability we select a first born student?
c) What is the probability that the person is first born and a Human Ecology student?
d) What is the probability that the person is first born or a Human Ecology student?
e) What is the probability that the person is not first born and is an Arts and Science student?