This tree diagram shows the tossing of an unfair coin followed by drawing one bead from a cup containing three red (R), four yellow (Y ) and five blue (B) beads. For the coin, P (H) = 2 and P (T) = ? where H is heads and T is tails. 3 R 12 4 12 H Y W/ N 5 12 B 3 R 12 W/H 4 12 T Y 5 12 B(a) Find P (tossing a Head on the coin AND a Blue bead). O COIN 7 O O 15 10 O 36 (b) Find P (Yellow bead). 12 36 8 O 36 4 O 36 8 O 12