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Red ball... Red ball (Posted on 2002-10-17) Difficulty: 4 of 5
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)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution easy | Comment 10 of 15 |
i believe its 75% red balls
  Posted by Billy Bob on 2004-03-28 10:22:38
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