Pioneer Of The Nile (A), I Want Revenge (B), and Hold Me Back (C), were the three favorites to win the Kentucky Derby one year. According to an expert, they should arrive first, second and third, respectively.
The tree diagram for the sample space is given below.
A) Complete, the tree diagram from top to bottom
B) State the composition of the event E = [exactly two horses arrived in the predicted place]

Question

Pioneer Of The Nile (A), I Want Revenge (B), and Hold Me Back (C), were the three favorites to win the Kentucky Derby one year. According to an expert, they should arrive first, second and third, respectively.
The tree diagram for the sample space is given below.
A) Complete, the tree diagram from top to bottom 
B) State the composition of the event E = [exactly two horses arrived in the predicted place]

Quizplus · Accepted Answer

The Answer of Pioneer Of The Nile (A), I Want Revenge (B), and Hold Me Back (C), were the three favorites to win the Kentucky Derby one year. According to an expert, they should arrive first, second and third, respectively.
The tree diagram for the sample space is given below.
A) Complete, the tree diagram from top to bottom 
B) State the composition of the event E = [exactly two horses arrived in the predicted place]

Pioneer of the Nile (A), I Want Revenge (B), and Hold