SOLUTION: ) Bag 1 contains 12 green marbles, 5 blue marbles, and 3 yellow marbles. Bag 2 contains 8 blue marbles and 2 red marbles. I take two marbles at random from bag 2 and place them in

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: ) Bag 1 contains 12 green marbles, 5 blue marbles, and 3 yellow marbles. Bag 2 contains 8 blue marbles and 2 red marbles. I take two marbles at random from bag 2 and place them in       Log On

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Question 31445: ) Bag 1 contains 12 green marbles, 5 blue marbles, and 3 yellow marbles. Bag 2 contains 8 blue marbles and 2 red marbles. I take two marbles at random from bag 2 and place them in bag 1. Then, I grab a random marble from bag 1. What is the probability that it is blue?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
Picking 2 marbles from the second bag. The odds are that your going to pick 1 blue marble.
Adding this blue marble to bag one that has 5 out of 20 marbles you now have 6 out of 20 or the probability of picking a blue marble is 6/20 or 3/10 or 30%