Question: Birth order. 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 results:
Suppose we select a student at random from this class. What is the probability that the person is
a) a Human Ecology student?
b) a firstborn student?
c) firstborn and a Human Ecology student?
d) firstborn or a Human Ecology student?