a) A group of girls at a school are entered for Advanced Level mathematics models. Each girl takes only module Mor module M2 or both M and M2. The probability that a girl is taking M2 given that she is taking M, is 1/5. The probability that a girl is taking M1 given that she is taking M2 is 1/3. Find the probability that 2 20. 20 i. A girl selected at random is taking both M, and M2 (4marks) 3 ii. A girl selected at random is taking only M2 (2marks)​