The table below shows the soft drinks preferences of people in three age groups. cola root beer lemon-lime. Cola Root beer Lemon-lime Under 21 years of 40 25 20 age Between 21 and 40 35 20 Over 40 years of age 20 30 30 35 If one of the 255 subjects is randomly selected, find the probability that the person is over 40 and drinks Root Beer