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15-09-2016
Mathematics

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Assume that there are 5 white mice and 7 black mice to choose from, and you randomly pick 4 mice. What is the probability that 2 are white and 2 are black

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15-09-2016

[tex]P(2\ white\ and\ 2\ black)=\frac{5C2\times7C2}{12C4}=\frac{14}{33}[/tex]
The answer is 14/33 or 0.424

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