- #1
Robin04
- 260
- 16
- Homework Statement
- There are N women and M men on a party. They can make friends with the same gender one by one independently with ##p## probability. Men and women cannot make friends. What's the probability that if we choose a man and a woman, the sum of their friends they got to know is ##k##.
- Relevant Equations
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I'm not sure how to start this. Can you give me a little hint?