A family has three children. If the genders of these children are listed in the order they are born, there are eight possible outcomes: BBB, BBG, BBG, BGG, GBB, GBG, GGB, and GGG. Assume these outcomes are equally likely. Let X represent the number of children that are girls. Find the probability distribution of X. Part 1 of 2 Your Answer is correct (a) Find the number of possible values for the random variable X. There are 4 possible values for the random variable X. Part: 1 / 21 of 2 Parts Complete Part 2 of 2 (b) Find the probability distribution of X. Round your answers to four decimals as needed.