Qualification > Math

S1 and S2 DOUBTS HERE!!!!

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Freaked12:

--- Quote from: immortal on May 21, 2010, 05:23:34 pm ---19/20*19/20*1/20

Da first & second card cn b any expect da 1 he wants
da third one he gets da one he wants...afterward it does not matter.. 

--- End quote ---

I thought of the same after i got my first answer wrong

I was confused because he bought a total of 5 cards right

so couldnt it be 3C1(19/20)^2(1/20) as he stopped looking at cards after the third one?

immortal:

--- Quote from: Freaked12 on May 21, 2010, 09:15:43 pm ---I thought of the same after i got my first answer wrong

I was confused because he bought a total of 5 cards right

so couldnt it be 3C1(19/20)^2(1/20) as he stopped looking at cards after the third one?

--- End quote ---
I advice u 2 think simple :)

Freaked12:

--- Quote from: immortal on May 21, 2010, 09:48:37 pm ---I advice u 2 think simple :)

--- End quote ---

lol
right :)

Blizz_rb93:
What's the formula booklet that the edexcel board will give us during the examination?? or did they stop doing that??

Saladin:

--- Quote from: Psyclax on May 22, 2010, 09:18:24 am ---What's the formula booklet that the edexcel board will give us during the examination?? or did they stop doing that??

--- End quote ---

i will post it soon

and yes you will be given it

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