Use the probability rules in this chapter to solve each of the following:
a. According to the U.S. Census Bureau, in 2012, the probability that a randomly selected child in the United States was living with his or her mother as the sole parent was .244 and with his or her father as the sole parent was .040. What was the probability that a child was living with just one parent?
(www.census.gov/hhes/families/data/cps2012.html.)gov/hhes/families/data/cps2012.html.)
b. In 2010 in the United States, the probability that a birth would result in twins was .0331, and the probability that a birth would result in triplets or more was .0014. What was the probability that a birth in 2010 resulted in a single child?
(www.cdc.gov/nchs/fastats/multiple.htm.)