please answer this question

6. a. Amy's CD collection is organised into four categories-groups, male vocal, female vocal and compilations. The table shows the probability that she randomly picks a CD of each category. Category Groups Male vocal Female Compilations vocal Probability 0.45 0.15 0.1 i.Find the missing probability from the table. [1 mark] ii.Amy picks one CD at random. What is the probability that it is not a male vocal CD? [1 mark] iii. Given that Amy has 80 CDs in total, how many female vocal CDs does she have? [1mark] Page 6 of 9