Let Y = the number of siblings for a student at a local high school. Suppose we choose someone from the school at random. The probability distribution of Y is as follows.
Y
1
2
3
4
5+
0
0. 02
Probability
0. 25
0. 35
0. 20
0. 10
0. 08
(a) Is Y a discrete or continuous? Explain.
