Probability
Difficulty
The Transferred Ball
Urn A holds 2 red and 1 blue ball; urn B holds 1 red and 1 blue. A random ball moves from A to B, then one ball is drawn from B. What is the probability it is red? Answer as a fraction or decimal.
Answering is free with a Deltashark account - create one to check your answer and see the full worked solution.
Create a free accountSuggested next
Ruin at a QuarterProbability