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Mathematics 7 Online
OpenStudy (anonymous):

another question you might be able to help with. ::: two marbles are to be pulled from a bag that contains 2 yellow marbles, 4 green marbles, and 6 orange marbles. After the first marble is drawn, it is not replaced. WHat is the probability that both marbles will be the same color? I know the formula looks something like (6*4*2)/(***)=

OpenStudy (ddcamp):

You'll want to find each of the probabilities individually: drawing 2 yellow, 2 green, 2 orange. Then, just add those 3 probabilities.

OpenStudy (anonymous):

6/12? @DDCamp

OpenStudy (ddcamp):

What are your steps to get that?

OpenStudy (anonymous):

add all together for the denominator and then 2*3 for numerator

OpenStudy (ddcamp):

I'll find the probability of drawing 2 Yellow marbles, then you find the probability of drawing 2 greens or oranges: |dw:1418951675767:dw|

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