2. Conditional Probability
Tree Diagrams — Quiz
Test your understanding of tree diagrams with 5 practice questions.
Practice Questions
Question 1
A jar contains 3 red marbles and 4 blue marbles. You draw a marble, note its color, and replace it. Then you draw another marble. What is the probability that both marbles drawn are blue?
Question 2
A bag contains 5 red balls and 3 green balls. You draw one ball, note its color, and do not replace it. Then you draw another ball. What is the probability that the first ball is green and the second ball is red?
Question 3
A fair coin is flipped three times. What is the probability that the first flip is heads, the second flip is tails, and the third flip is heads?
Question 4
A box contains 2 red, 3 blue, and 5 yellow marbles. You draw one marble, note its color, and replace it. Then you draw another marble. What is the probability that the first marble is yellow and the second marble is blue?
Question 5
A coin is flipped twice. What is the probability that at least one of the flips is tails?