Obstructive sleep apnea (OSA) is prevalent in 4% of the adult female population. The Berlin Questionnaire will correctly classify people with OSA 81% of the time. However, 20% of the time, the Berlin Questionnaire will incorrectly classify someone without OSA. Suppose you take a random adult female from the population and administer the Berlin Questionnaire. The result indicates the presence of OSA. What is the probability that the random adult female has OSA?
