Qualification > Math

statistics

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Rage2o9:
The first question was finding the mean.
I got 997. What about you guys?

eye-candy:
ya evn i 996.8
wat abt da 2nd part of this q ??

Rage2o9:

--- Quote from: eye-candy on May 28, 2009, 10:16:58 am ---ya evn i 996.8
wat abt da 2nd part of this q ??

--- End quote ---

Should leave the answer to 3s.f. so 997.
Anyway, what was the second part of the question? I forgot.

eye-candy:
da prob dat exactly 2 of 3 chosen cartons hav volume greater den 1002

my ans ws like.....(.25*.25*.75)^3 =0.000103    ???

insane.kid:
oops i did 3C2 * .25^2 * .75 = .141 this is what i did for part ii) of question 1 ???

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