Correct?

This tree diagram shows the tossing of an unfair coin followed by drawing one bead from a cup CO/ N containing three red (R), four yellow (Y ) and five blue (B) beads. For the coin, P (H) = and P (T) = - where H is heads and T is tails. R 12 4 12 H Y WIN 5 12 B 3 R 12 W/ H 12 T Y 12 B (a) Find P ( tossing a Head on the coin AND a Yellow bead). 8 36 6 0 15 O COIN O 36 (b) Find P (Red bead). O 36 6 O 12 6 0 36 O 36