SOLUTION: An urn contains 10 red marbles and 30 green marbles. A marble is drawn at random, but not replaced. Then another marble is drawn. Find the probability of these events. 1.Both m

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Question 865845: An urn contains 10 red marbles and 30 green marbles. A marble is drawn at random, but not replaced. Then another marble is drawn. Find the probability of these events.
1.Both marbles drawn are red
2.Both marbles drawn are green
3.The first marble drawn is red and the second marble drawn is green

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
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