SOLUTION: You pick 2 marbles at random without replacing the 1st one. The probability of drawing a blue and then a red is 4/15. The probability that the 1st marble is blue is 2/3. Find the

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Question 349875: You pick 2 marbles at random without replacing the 1st one. The probability of drawing a blue and then a red is 4/15. The probability that the 1st marble is blue is 2/3. Find the probability that he first marble is blue
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
You already said "The probability that the 1st marble is blue is 2/3."

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