all right thoughts lead to the same right ans ;)
A bag contains n white balls & n red balls.Pairs of balls are
drawn without replacement until the bag is empty.Find the
probability that each pair consists of one white ball & one red ball.
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9 Answers
Lokesh Verma
·2008-12-18 10:46:48
First reaction!
2/ 2nCn
It is 2n/2nCn
If this is, then i will try to explain..
If it is not then i will rethink!
Celestine preetham
·2008-12-18 23:45:08
i hope this is not one of those bertand or sibling paradoxes!
Lokesh Verma
·2008-12-18 23:51:27
hm... thoughts have changed... so have answers ;)
nd yeah u are right.. even i made the same typo :D
It is 2n/2nCn