NEED HELP NOW! WILL MARK BRAINLIESTIn an article about investment alternatives, Money magazine reported that drug stocks provide a potential for long-term growth, with over 54% of the adult population of the United States taking prescription drugs on a regular basis. For adults age 65 and older, 85% take prescription drugs regularly. For adults age 18 to 64, 45% take prescription drugs regularly. The age 18–64 age group accounts for 84.5% of the adult population (Statistical Abstract of the United States, 2008). Round your answers to 4 decimal places. a. What is the probability that a randomly selected adult is 65 or older? b. Given an adult takes prescription drugs regularly, what is the probability that the adult is 65 or older?