SOLUTION: There is a bag filled with 5 blue, 6 red and 2 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
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-> SOLUTION: There is a bag filled with 5 blue, 6 red and 2 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
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Question 1136002: There is a bag filled with 5 blue, 6 red and 2 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? Answer by ikleyn(52778) (Show Source):
This probability = . = = 0.1282 = 12.82%.
The formula is SELF-EXPLANATORY. If something is not clear to you in the solution - look into this formula attentively -
it will tell you everything about itself.