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![[Post New]](/templates/default/images/icon_minipost_new.gif) 17 Feb 2008 10:12:46 IST
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(2) if x,y,z is choosen at random from whole no.(needed not to be different) than fimd the probability that x,y are even in x+y+z=11.
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17 Feb 2008 16:54:06 IST
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find total no. of cases...tht's from multinomial...then z is odd..x,y r even..
can be written in form of 2a,2b,2c+1..now a+b+c= 10...solve u get favourable cases..
remember ...a,b,c cannot exceed 5...so genral multinomial trika must be applied..
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