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There is a bag filled with 4 blue, 3 red and 5 green marbles. A marble is taken at random from the bag, the colour is noted and then it is not replaced. Another marble is taken at random. What is the probability
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4 votes
4 votes
There is a bag filled with 4 blue, 3 red and 5 green marbles.

A marble is taken at random from the bag, the colour is noted and then it is not replaced.
Another marble is taken at random.
What is the probability of getting 2 blues?

User Jitsu
by
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2 Answers

14 votes
14 votes

Answer:

16/144

4/12 × 4/12 = 16/144

User Ratnesh
by
2.9k points
22 votes
22 votes

Answer:

1/3 x 3/11 = 3/33 or 0.09, or 9 percent

Explanation:

User Mathias Rechtzigel
by
2.7k points
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