The eyewitness, then, reported to the police that she saw a blue cab. However, her ability to identify cabs under appropriate visibility conditions was tested, she was 20% wrong of the time. Of the taxi-cab in the city, 85% belonged to the green cab. and 15% belong to the blue cab.
decide the probability that the cab involved in the accident was blue (if the eyewitness report that the cab is blue )