answer this questions

2) While watching a game of Champions League football in a cafe, it was observed that a person was supporting Manchester United in the game. What is the probability that he was born within 25 miles of Manchester given that he supports Manchester United? Assume that: the probability that a randomly selected person in a typical local bar environment is born within 25 miles of Manchester is 1120, and the chance that a person born within 25 miles of Manchester supports United is 7 1'10, the probability that a person not born within 25 miles of Manchester supports United is probability 1! 10