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All the colors in (Posted on 2010-04-26) Difficulty: 3 of 5
Seven sportsmen (named A,B,C,D,E,F and G) buy 7 hats choosing randomly out of 4 available colors (say G,R,W and Y).
What is the probability that all the colors were chosen?

See The Solution Submitted by Ady TZIDON    
Rating: 5.0000 (1 votes)

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mad hattters? | Comment 1 of 21
Does this mean that EACH buys seven hats, or that each buys one hat??
  Posted by ed bottemiller on 2010-04-26 13:28:36
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