perplexus.info :: Probability : Red ball... Red ball

Red ball... Red ball (Posted on 2002-10-17)

If you take two balls randomly out of a jar of colored balls, there is a 50% chance that the balls will both be red.

What is the total percentage of red balls in the jar?

See The Solution Submitted by levik

Rating: 3.1538 (13 votes)

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(easy) Solution

| Comment 8 of 17 |

There are 4 balls. 3 are red. Easy.

Posted by Chaz on 2003-05-03 14:41:37

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