Exercises 22–24 are based on data from the 2013 March Supplement of the U.S. Census Bureau’s Current Population Survey.
22. According to the 2013 March Supplement Survey, 22.3% of U.S. households are in the Midwest. In addition, 9.6% of households earn $75,000 or more per year and are located in the Midwest. Determine the probability that a randomly selected American household earns $75,000 or more per year, given that the house is located in the Midwest.