A bag has 4 red marbles, 5 white marbles, and 6 blue marbles.  Three marbles are drawn from the bag (without replacement).  What is the probability that they are all the same color?
Question:
A bag has 4 red marbles, 5 white marbles, and 6 blue marbles.  Three marbles are drawn from the bag (without replacement).  What is the probability that they are all the same color?
Answer:
Let's think step by step.

user
\frac{34}{455}
A bag has 4 red marbles, 5 white marbles, and 6 blue marbles.  Three marbles are drawn from the bag (without replacement).  What is the probability that they are all the same color?
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