Suppose that the genders of the three children of a family are soon to be revealed. Anoutcomeis represented by a string of the sort GBB (meaning the oldest child is a girl, the second oldest is a boy, and the youngest is a boy). The

8

outcomes are listed in the table below. Note that each outcome has the sameprobability.

For each of the threeeventsin the table, check the outcome(s) that are contained in the event. Then, in the last column, enter the probability of the event.