Keep the two dice ordered when checking event independence

Two fair dice, one white and one red, are thrown. Event A is that the white score is prime; event B is that the sum of the scores is 9.

(i) Find $P(A\mid B)$ and hence determine whether A and B are independent.3 marks

(ii) Event C is that the red score is a perfect square. Find $P(B'\cap C')$.2 marks