Refer to the following information on births in the United States over a given period of time:
Type of Birth Number of Births
Single birth………………….. 41,500,000
Twins ……………………….500,000
Triplets……………………… 5000
Quadruplets………………….. 100
Use this information to estimate the probability that a randomly selected pregnant woman who gives birth
a. delivers twins
b. delivers quadruplets
c. gives birth to more than a single child