Posted by Annie on .
A container holds 12 red marbles, 10 blue marbles, and 14 green marbles. You will randomly select two marbles without replacement.
Fill in the probabilities on each branch of the tree diagram. Use the boxes with the fraction bars already provided.
Use the tree diagram to answer the following:
How many ways can you select the marbles?
How many ways can you select exactly 1 blue marble?
What is the probability that you select 2 red marbles?
What is the probability that you select a green marble and then a red marble?
Thanks!

Math (incomplete) 
PsyDAG,
Boxes not given.