Question: Of the high blood pressure patients in a particular clinic, 62% are treated with medication X, the remainder with medication Y. It is known that 1.4% of patients using medication X suffer from fainting spells, as do 2.9% of the patients using medication Y. A patient known by the clinic to have high blood pressure suffers a fainting spell, but she does not remember which medication she is on. Which medication is she most likely to be taking? (Hint: Let E1 and E2-treated with X and treated with Y, respectively-be events in the sample space of all patients with high blood pressure in the clinic, and let F be the event of fainting; find P(X 0 F) and P(Y 0 F).