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Q: What is the probablility of picking a green marble at random from a box that contains only 11 blue marbles?

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There is a one in 2 chance of getting a green marble.

The theoretical probability of randomly picking each color marble is the number of color marbles you have for each color, divided by the total number of marbles. For example, the probability of selecting a red marble is 3/20.

None, if all the marbles that you have are yellow!

1 in 7

1 in 15 chances that the marble will be blue, because there are 15 marbles all together in a bag, and you are only picking one out of it.

0No blue marbles in the bag.

3/10 or 0.3 is the probability of picking a purple marble.

2/6

7/15 for blue marbles and 8/14 for the purple marbles this is dependent probability

It is 2/10.

You would be more likely to pull out a white marble as there are no red marbles in the bag.

if you pick one marble at random, the odds are 17/(42+17+27) or 17/86 or about 20%

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