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![[Post New]](/templates/default/images/icon_minipost_new.gif) 18 Apr 2008 11:56:17 IST
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Q.Three urns contain 2W and 3B balls,3W and 2B and 4W and 1Bball .a ball is drawn from an urn chosen at random .If the choices of urns are equiprobable then the probability that the drawn ball is white is? 1.3/5 2.1/5 3.2/5 4.4/5
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1/3(2/5+3/5+4/5)
=3/5
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" Always remember money isn't everything but make sure you have made a lot of it before talking such nonsense!"
- Bill Gates |
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18 Apr 2008 11:58:27 IST
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Ans 3/5
1/3[2/5+3/5+4/5]
= 9/15
= 3/5
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I Tried So Hard And Got So Far
But In The End
It Doesnt Even Matter... |
this reply: 5 points
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