pooja_nifa
Nov 4, 2009, 10:27 PM
in a locality out of 000 people residing 1200 are 1200 are above 30 ear of age and 3000 are females.Out of the 1200 who are above 30,200 are females.suppose,afer a person is chosen you are told that the person is a female.What is the probability that she is above 30 ears of age.