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#1 2010-10-11 00:15:24

sumair_bano
Member
Registered: 2010-10-11
Posts: 2

Kindly help me

A bag contains 14 identical balls, 4 of which are red, 5 black and 5 white. 6 balls are
drawn from the bag. Find the probability that,
a. Three are red.
b. At least 2 are white.

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#2 2010-10-11 01:40:52

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Kindly help me

Hi sumair_bano;

Welcome to the forum!

This problem has been done already!

http://www.mathisfunforum.com/viewtopic … 35#p152135


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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