SOLUTION: the sales force of a business consists of 10 men and 10 women. A production unit of 8 people is set up at random. What is the probability that it will consist of 4 men and 4 women?

Question 406780: the sales force of a business consists of 10 men and 10 women. A production unit of 8 people is set up at random. What is the probability that it will consist of 4 men and 4 women?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

the sales force of a business consists of 10 men and 10 women. A production unit of 8 people is set up at random. What is the probability that it will consist of 4 men and 4 women?

nCx = 

  20C8 - is the total number os ways to choose 8 people

 P(4 men 'and' 4 women) = 10C4*10C4 / 20C8 = 210*210/125,970 = .3501 

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