It is estimated that, during the past year, 27% of all adults visited a therapist and 46% of all adults used antidepressants. It is also estimated that 20% of all adults both visited a therapist and used a antidepressant during the past year. (a) What is the probability that an adult visited a therapist during the past year, given that
he or she used antidepressants? Round your answer to the nearest hundredth

(b) What is the probability that a randomly selected adult who visited a therapist during the
past year also used antidepressants? Round your answer to the nearest hundredth.