Posted by **Sandra** on Thursday, January 20, 2011 at 7:35pm.

A bag contains 3 green marbles and 6 blue marbles. What is the probability of drawing a blue marble, then another blue marble, then a green marble, replacing the marble after each draw?

- Math 1 9th grade -
**Danielle**, Thursday, January 20, 2011 at 9:18pm
Well, adding all the marbles together, 3 green marbles and 6 blue marbles, you would get 9 marbles in the bag altogether. If you place the marble back into the bag after drawing it, the probability of getting a green marble would be 3/9, or 1/3 of the bag. If you wanted to get a blue marble, your chances of getting it would be 6/9, or simplified, 2/3. I hope that helps :)

- Math 1 9th grade -
**frank**, Monday, April 18, 2011 at 6:22pm
how do you find the characteristics of a graph

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