Ok—I just reread #msg-68024183 and see that I misread the third paragraph, which plainly states that drug “A” cures the disease in 100% of patients (not 80% as I had thought it said). I retract all of my posts in this thread and apologize for using up message-board bandwidth.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”