Savid investigated hair and eye colour. brown eyes and fair hair: 8 brown eyes dark hair: 5 other and fair hair: 7 other and dark hair: 10 A person is chosen at random. (a) Work out the probability that this person has brown eyes. Give your answer as a fraction in its simplest form as a/b where a and b are whole numbers. Work out the probability that this person has brown eyes given that they have dark hair. Give your answer as a fraction in its simplest form as a/b where a and b are whole numbers.