Refer to Exercise 4.24.
In Exercise 4.24
A family is defined to be a group of two or more persons related by birth, marriage, or adoption and residing together in a household. According to Current Population Survey, published by the U.S. Census Bureau, the size distribution of U.S. families is as follows. Frequencies are in thousands.
Size ________________________ Frequency
2 .......................................... 37,148
3 .......................................... 17,810
4 .......................................... 15,054
5 .......................................... 6,660
6 .......................................... 2,438
7+ ......................................... 1,395
a. Which, if any, of the events in parts (a)-(e) are certain? impossible?
b. Determine the probability of each event identified in part (a).