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[Post New]23 Mar 2008 21:55:22 IST
    Subject: probability
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akhil_o (2709)

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Olaaa!! Perrrfect answer. 435  [702 rates]
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arrange all the speech givers in 10! ways

now see that in each case either A is ahead or B
due to symmetry exactly half cases A speaks b4 B
so P=1/2
similarly for second case
so
P=1/2*1/2=1/4
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