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how ws math xams guys paper 62 ??!!

well for q6(ii). we had to first find the conditional probability of boys among total number of students in drama class, then use that probability to find out the probability of the other given condition which was (atleast 1 boy) i guess using binomial .. i did it in this way ( 0.6 x 0.1 )...
- saifmem
- Post #13
- Nov 1, 2011
- Forum: A-Levels

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