SOLUTION: There are twenty tiles numbered 1-20. What is the propability of drawing two even numbered tiles, without replacing them. Express awnser in permutation form.

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Question 41274: There are twenty tiles numbered 1-20. What is the propability of drawing two even numbered tiles, without replacing them. Express awnser in permutation form.
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
P(10,2)/P(20,2) there are 10 even numbers and you grab only 2 tiles; there are a total of 20 and you grab only 2
90/380
9/38