5.2.18 A couple plans to have two children. Each child is equally likely to be a girl or boy, with gender independent of that of the other child. a. Construct a sample space for the genders of the children, using B for boy and G for girl. b. Find the probability that both of the children are girls. c. Answer part b if, in reality, for a given child, the chance of a girl is 0.53. a. Choose the correct answer below