The question seems to be missinterpreted. I think it's extremly simple, he has 80% chances to be right and he's saying that the taxi is blue. So the propability of a blue taxi is 80%. I know it may sound stupid but this is the correct sollution to the problem.
The question seems to be missinterpreted. I think it's extremly simple, he has 80% chances to be right and he's saying that the taxi is blue. So the propability of a blue taxi is 80%. I know it may sound stupid but this is the correct sollution to the problem.