If a couple were planning to have three children, the sample space summarizing the gender outcomes would be: bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg.
A.) construct a similiar sample space for the possible weight outcomes (using o for overweight and u for underweight) of two children.
B.) Assuming that the outcomes listed in part (a) were equally likely, find the probablity of getting two underweight children.
C.) Find the probability of getting one overweight child and one underweight child.