Question 4 (10 points) Assume that the probability a child is a boy is 0.55 and that genders of children born into a family are independent. Determine the following probabilities: a) The probability that a family with 3 children has 1 boy and 2 girls. b) The probability that a family with 3 children has 2 boys and 1 girl given that their first child is a boy. c) The probability that a family with five children has 4 boys and 1 girl.