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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)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): Solution | Comment 17 of 22 |
(In reply to re: Solution by Charlie)

You are right. I feel that it is because I haven't seen this stuff for a while, so the algorithms aren't firing like they used to! Thanx!
  Posted by John zadeh on 2010-04-28 16:14:09

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