The table below shows all possible outcomes when three cubes are chosen from three different bags. Assume each bag contains one red cube and one blue cube.
First Second Third
cube cube cube
R R R
R
R B
R B
R
R B
B
B R R
B
R
B
B B
B B.
B
Which of the following statements must be true?
O The probability of getting at least one red cube is the same as the probability of getting at least two red cubes.
O The probability of getting exactly one blue cube is the same as the probability of getting exactly three blue cubes.
The probability of getting all red cubes is the same as the probability of getting all blue cubes.
O The probability of getting exactly two red cubes is
1
4