The following data are the net wealth, in billions of dollars, of a random sample of U.S. billionaires in the Forbes 2007 list: 1.0, 1.0, 1.2, 1.3, 2.5, 2.3, 4.1, 4.8, 2.5, 2.5, 2.7, 5.2, 2.3, 5.5, 2.0, 2.1, 3.5, 4.0, 52.0, 21.5, 5.5, 2.1, 6.0, 1.8, 16.7, 1.8, 18.0, 2.1, 1.9, 3.1, 3.5, 1.4, 1.2, 1.3, 1.1. Do you believe that the wealth of American billionaires is normally distributed?