Driving under the influence of alcohol may decrease the driver's concentration power and may cause an accident.
On friday night 20% of all the techies in India are under the influence of alcohol.The probability that the person will have an accident under the influence of alcohol is 0.001.The probability that a sober person will meet an accident is 0.0001.If the car on friday night smashed into the tree,the probability that the driver was under the influence of alcohol is?