venn diagram

a) How many different arrangements can be formed by using all letters of word QUARANTINE if the first letter must be 'R'? (2 marks) b) There are two events, X and Y with P(X) = 0.35 and P(Y) = 0.4. i) If X and Y are independent events, illustrate the events using Venn Diagram. (5 marks) ii) Find P (X' and Y). (1 mark) iii) Find P (X or Y"). (1 mark)