Selecting balls from a bag.

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Dec 9th 2011, 12:43 AM
someoneawesome

Selecting balls from a bag.

i have a bag of 6 black balls and 14 white balls. What is the probability of getting 3 black balls out?
Dec 9th 2011, 01:36 AM
chisigma

Re: probability help

An important data is missing: how many balls do You get out in total?...

Kind regards

$\chi$ $\sigma$
Dec 9th 2011, 02:45 AM
Plato

Re: probability help

Quote:

Originally Posted by chisigma

An important data is missing: how many balls do You get out in total?...

I addition to the above, we must know how the balls are drawn.
Is it with replacement or without replacement?

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