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OpenStudy (alw0809):
The sales force of a business contract consists of 10 men and 10 women. A production unit of 4 people is set up at random. What is the probability that 2 will be men and 2 will be women?
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OpenStudy (kropot72):
\[\large P(2\ men,\ 2\ women)=\frac{10C2 \times10C2}{20C4}=\frac{18\times15}{38\times17}\]
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