Bag contains three red balls and two blue balls. Bag contains two red balls and one blue ball.
One ball is chosen at random from bag and transferred to bag . Two balls are then chosen at random from bag , without replacement. At each choice, all balls then available are equally likely to be chosen.
Given that the two balls chosen from bag have the same colour, what is the probability that the transferred ball is one of those two balls?
A
B
C
D
E
F