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Selects 2 from 12 red balls and 12 blue balls, all is the

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Manager
Manager
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Joined: 27 Jul 2003
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Location: Singapore
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Selects 2 from 12 red balls and 12 blue balls, all is the [#permalink] New post 05 Oct 2003, 22:37
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Selects 2 from 12 red balls and 12 blue balls, all is the red
probability?
Intern
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Joined: 13 Sep 2003
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 [#permalink] New post 01 Nov 2003, 12:50
hey stol...disagree with u..
why cant it be
12C2/24C2 = 1/6.
Manager
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 [#permalink] New post 01 Nov 2003, 16:25
I would agree with sudzpwc. Since we are selecting both the balls at the same time and not one by one, sudzpwc's solution will be applicable here.
Manager
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 [#permalink] New post 02 Nov 2003, 13:19
Soumala wrote:
Both ways the answer will be 11/46.


Oooops... I did not notice that.

Nevertheless, I think the appraoch for such problem should be 12C2/24C2 .
  [#permalink] 02 Nov 2003, 13:19
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Selects 2 from 12 red balls and 12 blue balls, all is the

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