Rajshahi Higher Secondary 2017 P4
Posted: Mon Feb 18, 2019 7:44 pm
Your city has $2$ types of people: Statistics show that the people with private cars are responsible for traffic jam in $40%$ of cases, whereas other people are responsible in only $20%$ of cases. Imagine in your city $40%$ people have private car. Now if one person in responsible for traffic jam then what is the probability of having a private car?