People were given three choices of soft drinks and asked to choose one favorite. the following table shows the results. start 4 by 4 table 1st row 1st column 2nd column subscript diet cola 3rd column subscript root beer 4st column subscript lemon dash drop 2nd row 1st column under 18 years of age 2nd column 40 3rd column 25 4st column 20 3rd row 1st column between 18 and 40 2nd column 35 3rd column 20 4st column 30 4st row 1st column over 40 years of age 2nd column 20 3rd column 30 4st column 35 endtable diet cola root beer lemon-drop under 18 years of age 40 25 20 between 18 and 40 35 20 30 over 40 years of age 20 30 35 find p(person is over 40|person drinks root beer).