Subjects volunteer for a study of a new cold medicine. tenten of the volunteers are ages 20-39, 66 are ages 40-59, and 88 are age 60 or older. if 88 volunteers are selected at random, find the following probabilities. (a) the probability that all the volunteers selected are ages 20-39 (b) the probability that 66 of the volunteers are ages 20-39 and 22 are age 60 or older (c) the probability that 22 of the volunteers areare ages 40-59