Suppose that the following information on births in the United States over a given period of time is available to you:

Type of Birth Number of Births Single birth 41,500,000 Twins 500,000 Triplets 5,000 Quadruplets 100 Use this information to approximate the probability that a randomly selected pregnant woman who reaches full term

a. Delivers twins

b. Delivers quadruplets

c. Gives birth to more than a single child.