Three critics review a book. Odds in favour of the book are 5:2, 4:3 and 3:4, respectively, for the three cities. The probability that majority are in favour of the book is

Question : Three critics review a book. Odds in favor of the book are 5:2, 4:3 and 3:4, respectively, for the three cities. The probability that majority are in favor of the book is