The U.S. adult population by age is as follows (The World Almanac, XXXXXXXXXXThe data are in millions of people. Age Number 18 to XXXXXXXXXXto XXXXXXXXXXto XXXXXXXXXXto XXXXXXXXXXto XXXXXXXXXXand over...

The U.S. adult population by age is as follows (The World Almanac, 2009). The data are in millions of people. Age Number 18 to 24 29.8 25 to 34 40.0 35 to 44 43.4 45 to 54 43.9 55 to 64 32.7 65 and over 37.8 Assume that a person will be randomly chosen from this population. a. What is the probability the person is 18 to 24 years old? b. What is the probability the person is 18 to 34 years old? c. What is the probability the person is 45 or older?