Answer:
a. Look attachment!
b. P1 = 6/11 × 4/10 = 6/11 × 2/5 = 12/55 = (21.82 %)
c. P2 = 5/11 × 6/10 = 5/11 × 3/5 = 15/55 = (27.28 %)
d. P3 = 55/55 - (12/55+15/55) = 55/55 - 27/55 = 28/55 = (50.90 %)