Here's the question you clicked on:
rishabh.mission
Stop chating HELP me ...
The chances of a patient having a heart attack is 40%. According to latest research Drug A reduces the risk of heart attack by 30% and drug B reduces its chances by 25%. At a time a patient can choose any one of the two options with equal probabilities. It is given that after going through one of the two options the patient selected at random Suffers a heart attack. Find the probability that the patient had been prescribed Drug A.