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It is estimated that, during the past year, 27% of all adults visited a therapist and 44% of all adults used non-prescription antidepressants. It is also estimated that 20% of all adults both visited a therapist and used a non-prescription 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 non-prescription antidepressants? Round your answer to 2 decimal places. (b) What is the probability that a randomly selected adult who visited a therapist during the past year also used non-prescription antidepressants? Round your answer to 2 decimal places.
(b) What is the probability that a randomly selected adult who visited a therapist during the past year also used non-prescription antidepressants? Round your answer to 2 decimal places.
(If necessary, consult a list of formulas.)
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