Question 1
For a randomly selected student in a particular high school, let Y denote the number of living grandparents of the student. What are the possible values of the random variable Y?
◦ 1, 2, 3, 4
◦ 0, 1, 2
◦ 0, 1, 2, 3, 4
◦ 4
Question 2
The following table displays a frequency distribution for the number of siblings for students in one middle school. For a randomly selected student in the school, let X denote the number of siblings of the student. What are the possible values of the random variable X?
◦ Brother, sister
◦ 189, 245, 102, 42, 24, 13, 5, 2
◦ 7
◦ 0, 1, 2, 3, 4, 5, 6, 7